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August 2022 - May 2018

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April 2020, Vol 3, No. 4

open access Original Investigation

HEALTH POLICY

Federal Payments for Coronary Revascularization Procedures Among Dual Enrollees in Medicare Advantage and the Veterans Affairs Health Care System

This cohort study examines where US veterans who are enrolled in both the Veterans Affairs (VA) health care system and Medicare Advantage undergo coronary revascularization and the associated costs.

JAMA Netw Open. 2020;3(4):e201451. doi:10.1001/jamanetworkopen.2020.1451
Abstract Full Text pdf link PDF

ONCOLOGY

Development and Validation of a Prognostic Survival Model With Patient-Reported Outcomes for Patients With Cancer

This prognostic study describes a prognostic survival model for all cancer types that incorporates information on symptoms and performance status over time.

JAMA Netw Open. 2020;3(4):e201768. doi:10.1001/jamanetworkopen.2020.1768
Abstract Full Text pdf link PDF

GASTROENTEROLOGY AND HEPATOLOGY

Diagnosis Rates of Chronic Hepatitis B in Privately Insured Patients in the United States

This cross-sectional study compares the prevalence of diagnosis with chronic hepatitis B infection from a large database of privately insured patients with the prevalence of infection found in the National Health and Nutrition Examination Survey to estimate the prevalence of undiagnosed chronic hepatitis B in the US.

JAMA Netw Open. 2020;3(4):e201844. doi:10.1001/jamanetworkopen.2020.1844
Abstract Full Text pdf link PDF

OBSTETRICS AND GYNECOLOGY

Effect of an Intervention in General Practice to Increase the Participation of Immigrants in Cervical Cancer Screening: A Cluster Randomized Clinical Trial

This cluster randomized trial investigates the effect of an educational intervention for general practitioners on rates of cervical cancer screening among immigrant women in Norway.

JAMA Netw Open. 2020;3(4):e201903. doi:10.1001/jamanetworkopen.2020.1903
Abstract Full Text pdf link PDF

HEALTH POLICY

Population-Based Estimates of Health Care Utilization and Expenditures by Adults During the Last 2 Years of Life in Canada’s Single-Payer Health System

This cohort study examines population-level trends in health care utilization and expenditures in the 2 years before death among adults in Canada’s single-payer health system.

JAMA Netw Open. 2020;3(4):e201917. doi:10.1001/jamanetworkopen.2020.1917
Abstract Full Text pdf link PDF

ONCOLOGY

Rates of Overall Survival and Intracranial Control in the Magnetic Resonance Imaging Era for Patients With Limited-Stage Small Cell Lung Cancer With and Without Prophylactic Cranial Irradiation

This cohort study analyzes the overall survival and risk of brain metastasis associated with prophylactic cranial irradiation among patients with limited-stage small cell lung cancer.

JAMA Netw Open. 2020;3(4):e201929. doi:10.1001/jamanetworkopen.2020.1929
Abstract Full Text pdf link PDF

CRITICAL CARE MEDICINE

Effect of Intensivist Communication in a Simulated Setting on Interpretation of Prognosis Among Family Members of Patients at High Risk of Intensive Care Unit Admission: A Randomized Trial

This randomized trial examines the effects of 4 types of intensivist responses to the question “What do you think is most likely to happen?” among family members of people with chronic obstructive pulmonary disease in a hypothetical intensive care unit setting.

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JAMA Netw Open. 2020;3(4):e201945. doi:10.1001/jamanetworkopen.2020.1945
Abstract Full Text pdf link PDF

GASTROENTEROLOGY AND HEPATOLOGY

Trends in the Burden of Chronic Liver Disease Among Hospitalized US Adults

This cross-sectional study assesses trends in the burden of chronic liver disease among hospitalized patients on the US health care system.

JAMA Netw Open. 2020;3(4):e201997. doi:10.1001/jamanetworkopen.2020.1997
Abstract Full Text pdf link PDF

CARDIOLOGY

Ischemic and Bleeding Events Among Patients With Acute Coronary Syndrome Associated With Low-Dose Prasugrel vs Standard-Dose Clopidogrel Treatment

This cohort study assesses the association of low-dose prasugrel vs standard-dose clopidogrel administration with ischemic events and bleeding outcomes among East Asian patients with acute coronary syndrome undergoing percutaneous coronary intervention.

JAMA Netw Open. 2020;3(4):e202004. doi:10.1001/jamanetworkopen.2020.2004
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NUTRITION, OBESITY, AND EXERCISE

Association of Obesity With Prescription Opioids for Painful Conditions in Patients Seeking Primary Care in the US

This cross-sectional study investigates the association of obesity with prescription opioids for pain diagnoses among US adults seeking primary care.

JAMA Netw Open. 2020;3(4):e202012. doi:10.1001/jamanetworkopen.2020.2012
Abstract Full Text pdf link PDF

HEALTH POLICY

Association of Organizational Factors and Physician Practices’ Participation in Alternative Payment Models

This cross-sectional study examines the association between organizational characteristics, ownership, and integration with intensity of participation in alternative payment models among physician practices.

JAMA Netw Open. 2020;3(4):e202019. doi:10.1001/jamanetworkopen.2020.2019
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PEDIATRICS

Academic Outcomes of School-Aged Children Born Preterm: A Systematic Review and Meta-analysis

This systematic review and meta-analysis compares academic outcomes across higher- and lower-order subskills in reading and mathematics among school-aged children born preterm vs those born at term.

JAMA Netw Open. 2020;3(4):e202027. doi:10.1001/jamanetworkopen.2020.2027
Abstract Full Text pdf link PDF

HEALTH POLICY

Cost-effectiveness Analysis of the Elder-Friendly Approaches to the Surgical Environment (EASE) Intervention for Emergency Abdominal Surgical Care of Adults Aged 65 Years and Older

This economic evaluation study examines the cost-effectiveness of the Elder-Friendly Approaches to the Surgical Environment (EASE) initiative for Canadian adults aged 65 years and older admitted for emergency abdominal surgery.

JAMA Netw Open. 2020;3(4):e202034. doi:10.1001/jamanetworkopen.2020.2034
Abstract Full Text pdf link PDF

HEALTH POLICY

Association Between Financial Incentives in Medicare's Hospital Readmissions Reduction Program and Hospital Readmission Performance

This cohort study assesses the association of incentives from Medicare’s Hospital Readmissions Reduction Program with hospital readmission performance from 2016 to 2019.

JAMA Netw Open. 2020;3(4):e202044. doi:10.1001/jamanetworkopen.2020.2044
Abstract Full Text pdf link PDF

PHARMACY AND CLINICAL PHARMACOLOGY

Association of Medicare Part D Benzodiazepine Coverage Expansion With Changes in Fall-Related Injuries and Overdoses Among Medicare Advantage Beneficiaries

This ecological study examines whether the expansion of benzodiazepine coverage among Medicare Advantage beneficiaries was associated with increases in the rates of fall-related injury or overdose among older adults.

JAMA Netw Open. 2020;3(4):e202051. doi:10.1001/jamanetworkopen.2020.2051
Abstract Full Text pdf link PDF

CARDIOLOGY

Accuracy of Smartphone Camera Applications for Detecting Atrial Fibrillation: A Systematic Review and Meta-analysis

This systematic review and meta-analysis assesses the accuracy of smartphone camera applications that diagnose atrial fibrillation among US adults aged 65 years and older.

JAMA Netw Open. 2020;3(4):e202064. doi:10.1001/jamanetworkopen.2020.2064
Abstract Full Text pdf link PDF

ONCOLOGY

Economic Evaluation of Chimeric Antigen Receptor T-Cell Therapy by Site of Care Among Patients With Relapsed or Refractory Large B-Cell Lymphoma

This economic evaluation uses a decision-tree model and cost data from publicly available databases to examine the economic differences associated with the administration of chimeric antigen receptor T-cell therapy by site of care among patients with relapsed or refractory large B-cell lymphoma.

JAMA Netw Open. 2020;3(4):e202072. doi:10.1001/jamanetworkopen.2020.2072
Abstract Full Text pdf link PDF

HEALTH POLICY

Association Between Medicare Expenditures and Adverse Events for Patients With Acute Myocardial Infarction, Heart Failure, or Pneumonia in the United States

This cross-sectional study evaluates whether hospital-specific adverse event rates are associated with hospital-specific risk-standardized 30-day episode-of-care Medicare expenditures for fee-for-service patients discharged with acute myocardial infarction, heart failure, or pneumonia.

JAMA Netw Open. 2020;3(4):e202142. doi:10.1001/jamanetworkopen.2020.2142
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IMMUNOLOGY

Association of Long Noncoding RNA Biomarkers With Clinical Immune Subtype and Prediction of Immunotherapy Response in Patients With Cancer

This cohort study explores long noncoding RNA–based immune subtypes associated with survival and response to cancer immunotherapy and presents a novel long noncoding RNA score for immunotherapy prediction using computational algorithms.

JAMA Netw Open. 2020;3(4):e202149. doi:10.1001/jamanetworkopen.2020.2149
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ENVIRONMENTAL HEALTH

Association of Parental Preconception Exposure to Phthalates and Phthalate Substitutes With Preterm Birth

This cohort study examines the association of paternal and maternal preconception urinary concentrations of biomarkers of phthalates and phthalate substitutes with singleton preterm birth.

JAMA Netw Open. 2020;3(4):e202159. doi:10.1001/jamanetworkopen.2020.2159
Abstract Full Text pdf link PDF

CARDIOLOGY

Effect of Smartphone-Enabled Health Monitoring Devices vs Regular Follow-up on Blood Pressure Control Among Patients After Myocardial Infarction: A Randomized Clinical Trial

This randomized clinical trial investigates whether smart technology via smartphone-compatible devices improves blood pressure regulation in patients after myocardial infarction.

JAMA Netw Open. 2020;3(4):e202165. doi:10.1001/jamanetworkopen.2020.2165
Abstract Full Text pdf link PDF

CARDIOLOGY

Association Between Use of Warfarin for Atrial Fibrillation and Outcomes Among Patients With End-Stage Renal Disease: A Systematic Review and Meta-analysis

This meta-analysis assesses the outcomes of the use of warfarin among patients with atrial fibrillation and end-stage renal disease.

JAMA Netw Open. 2020;3(4):e202175. doi:10.1001/jamanetworkopen.2020.2175
Abstract Full Text pdf link PDF

ORTHOPEDICS

Effectiveness of Iodophor vs Chlorhexidine Solutions for Surgical Site Infections and Unplanned Reoperations for Patients Who Underwent Fracture Repair: The PREP-IT Master Protocol

This trial protocol describes 2 multicenter pragmatic cluster randomized crossover trials comparing the effectiveness of iodophor and chlorhexidine surgical skin preparation solutions at reducing surgical site infections (SSIs) and unplanned fracture-related reoperations.

JAMA Netw Open. 2020;3(4):e202215. doi:10.1001/jamanetworkopen.2020.2215
Abstract Full Text pdf link PDF

PEDIATRICS

Association of a Simplified Finnegan Neonatal Abstinence Scoring Tool With the Need for Pharmacologic Treatment for Neonatal Abstinence Syndrome

This cohort study identifies items on the Finnegan Neonatal Abstinence Scoring Tool (FNAST) that are independently associated with the decision to use pharmacologic therapy and simplifies the tool while minimizing loss of information for the treatment decision.

JAMA Netw Open. 2020;3(4):e202275. doi:10.1001/jamanetworkopen.2020.2275
Abstract Full Text pdf link PDF

HEALTH POLICY

Diagnostic Category Prevalence in 3 Classification Systems Across the Transition to the International Classification of Diseases, Tenth Revision, Clinical Modification

This interrupted time series analysis and cross-sectional study examines changes in the prevalence of diagnostic codes before the implementation of the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) vs after.

JAMA Netw Open. 2020;3(4):e202280. doi:10.1001/jamanetworkopen.2020.2280
Abstract Full Text pdf link PDF

SUBSTANCE USE AND ADDICTION

Alcohol or Benzodiazepine Co-involvement With Opioid Overdose Deaths in the United States, 1999-2017

This cross-sectional analysis assesses the prevalence and number of alcohol- or benzodiazepine-involved opioid overdose deaths by opioid subtypes in the United States from 1999 to 2017.

JAMA Netw Open. 2020;3(4):e202361. doi:10.1001/jamanetworkopen.2020.2361
Abstract Full Text pdf link PDF

SUBSTANCE USE AND ADDICTION

Prevalence of Cannabis Withdrawal Symptoms Among People With Regular or Dependent Use of Cannabinoids: A Systematic Review and Meta-analysis

This systematic review and meta-analysis examines the prevalence of cannabis withdrawal syndrome in individuals who use cannabinoids regularly.

JAMA Netw Open. 2020;3(4):e202370. doi:10.1001/jamanetworkopen.2020.2370
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NEPHROLOGY

Association of Glomerular Hyperfiltration and Cardiovascular Risk in Middle-Aged Healthy Individuals

This population-based cohort study examines whether glomerular hyperfiltration is associated with a higher risk of cardiovascular events in healthy middle-aged individuals.

JAMA Netw Open. 2020;3(4):e202377. doi:10.1001/jamanetworkopen.2020.2377
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INFECTIOUS DISEASES

A Scenario-Based Survey of Expert Echocardiography Recommendations for Patients With Staphylococcus aureus Bacteremia at Varying Risk for Endocarditis

This survey study assesses clinicians’ preferred echocardiography strategies for a variety of hypothetical scenarios involving patients with Staphylococcus aureus bacteremia and various combinations of risk factors for endocarditis.

JAMA Netw Open. 2020;3(4):e202401. doi:10.1001/jamanetworkopen.2020.2401
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ONCOLOGY

Comparison of Drugs Used for Adjuvant and Metastatic Therapy of Colon, Breast, and Non–Small Cell Lung Cancers

This cross-sectional study examines the number of unique agents available for metastatic and adjuvant treatment of non–small cell lung cancer, breast cancer, and colon cancer and the delay between use in these settings, along with the quality of supporting evidence.

JAMA Netw Open. 2020;3(4):e202488. doi:10.1001/jamanetworkopen.2020.2488
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HEALTH POLICY

Association of Regional Practice Environment Intensity and the Ability of Internists to Practice High-Value Care After Residency

This cohort study examines the association between health care intensity in the region where physicians practice and their ability to practice high-value care, specifically for physicians who relocated after residency.

JAMA Netw Open. 2020;3(4):e202494. doi:10.1001/jamanetworkopen.2020.2494
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OBSTETRICS AND GYNECOLOGY

Association of Term Labor Induction vs Expectant Management With Child Academic Outcomes

This cohort study evaluates the educational outcomes of children born by induction at 39 or 40 weeks of gestation compared with those whose mothers were expectantly managed past those gestational ages.

JAMA Netw Open. 2020;3(4):e202503. doi:10.1001/jamanetworkopen.2020.2503
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PSYCHIATRY

Estimated Prevalence of Nonverbal Learning Disability Among North American Children and Adolescents

This secondary analysis of a cross-sectional study estimates the prevalence of the nonverbal learning disability cognitive profile in children and adolescents from studies centered around brain imaging in the US and Canada.

JAMA Netw Open. 2020;3(4):e202551. doi:10.1001/jamanetworkopen.2020.2551
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GERIATRICS

Effects of a Telehealth Early Palliative Care Intervention for Family Caregivers of Persons With Advanced Heart Failure: The ENABLE CHF-PC Randomized Clinical Trial

This randomized clinical trial investigates the effect of a nurse-led palliative care telehealth intervention on quality of life and mood of family caregivers of individuals with advanced heart failure.

JAMA Netw Open. 2020;3(4):e202583. doi:10.1001/jamanetworkopen.2020.2583
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PUBLIC HEALTH

Association of Birth by Cesarean Delivery With Obesity and Type 2 Diabetes Among Adult Women

This cohort study evaluates the association of birth by cesarean delivery with offspring’s risks of obesity and type 2 diabetes in adulthood.

JAMA Netw Open. 2020;3(4):e202605. doi:10.1001/jamanetworkopen.2020.2605
Abstract Full Text pdf link PDF

NEPHROLOGY

Association Between Early Recovery of Kidney Function After Acute Kidney Injury and Long-term Clinical Outcomes

This cohort study assesses whether the trajectory of kidney function recovery within 72 hours after acute kidney injury is associated with long-term risk of clinical outcomes.

JAMA Netw Open. 2020;3(4):e202682. doi:10.1001/jamanetworkopen.2020.2682
Abstract Full Text pdf link PDF

HEALTH POLICY

Comparison of Office-Based Physician Participation in Medicaid Managed Care and Health Insurance Exchange Plans in the Same US Geographic Markets

This cross-sectional study examines state and county physician network data sets to compare physician participation in Medicare networks with health insurance exchange networks.

JAMA Netw Open. 2020;3(4):e202727. doi:10.1001/jamanetworkopen.2020.2727
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CARDIOLOGY

Association of Posttraumatic Stress Disorder With Mental Stress–Induced Myocardial Ischemia in Adults After Myocardial Infarction

This cohort study evaluates the association of posttraumatic stress disorder (PTSD) with mental stress–induced myocardial ischemia among individuals who survived a myocardial infarction.

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JAMA Netw Open. 2020;3(4):e202734. doi:10.1001/jamanetworkopen.2020.2734
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HEALTH POLICY

Medicare Part D and Cost-Sharing for Antiretroviral Therapy and Preexposure Prophylaxis

This nationwide cross-sectional analysis examines how the Medicare Part D design distributes the cost burden for antiretroviral therapy and preexposure prophylaxis (PrEP) between patients, insurance plans, manufacturers, and Medicare.

JAMA Netw Open. 2020;3(4):e202739. doi:10.1001/jamanetworkopen.2020.2739
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HEALTH POLICY

Factors Associated With Increased Collection of Patient-Reported Outcomes Within a Large Health Care System

This cohort study examines factors associated with increased collection of patient reported outcomes by clinics in a large health care system.

JAMA Netw Open. 2020;3(4):e202764. doi:10.1001/jamanetworkopen.2020.2764
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NEUROLOGY

Association of Primary Intracerebral Hemorrhage With Pregnancy and the Postpartum Period

This cohort-crossover study evaluates the risk of intracerebral hemorrhage during pregnancy and an extended 24-week postpartum period and examines the fetal and maternal outcomes, as well as associated demographic and comorbidity factors.

JAMA Netw Open. 2020;3(4):e202769. doi:10.1001/jamanetworkopen.2020.2769
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OCCUPATIONAL HEALTH

Effects of a Tailored Brief Behavioral Therapy Application on Insomnia Severity and Social Disabilities Among Workers With Insomnia in Japan: A Randomized Clinical Trial

This randomized clinical trial examines the effects of tailored brief behavioral therapy delivered via smartphone application on insomnia severity and social disabilities among workers in Japan.

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JAMA Netw Open. 2020;3(4):e202775. doi:10.1001/jamanetworkopen.2020.2775
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OCCUPATIONAL HEALTH

Association of Silica Dust Exposure and Cigarette Smoking With Mortality Among Mine and Pottery Workers in China

This cohort study examines the joint association of silica dust exposure and cigarette smoking with mortality among a cohort of adults who worked in mines or pottery factories in China between 1960 and 1974, with a total follow-up period of 44 years.

JAMA Netw Open. 2020;3(4):e202787. doi:10.1001/jamanetworkopen.2020.2787
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PUBLIC HEALTH

Association of Poor Sanitation With Growth Measurements Among Children in India

This cross-sectional study characterizes the association of poor sanitation with height-for-age z scores in children and adolescents in India aged 0 to 18 years.

JAMA Netw Open. 2020;3(4):e202791. doi:10.1001/jamanetworkopen.2020.2791
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PEDIATRICS

Association of Grandparental and Parental Age at Childbirth With Autism Spectrum Disorder in Children

This cohort study estimates the associations between grandparental age at the time their children were born and the risk of autism spectrum disorders in their grandchildren.

JAMA Netw Open. 2020;3(4):e202868. doi:10.1001/jamanetworkopen.2020.2868
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PHARMACY AND CLINICAL PHARMACOLOGY

Assessment of Potentially Inappropriate Prescribing of Opioid Analgesics Requiring Prior Opioid Tolerance

This cohort study examines the prevalence of prescribing opioid analgesics that require prior tolerance for safe use to patients with no evidence of prior tolerance in insurance claims data or electronic health records.

JAMA Netw Open. 2020;3(4):e202875. doi:10.1001/jamanetworkopen.2020.2875
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CARDIOLOGY

Risk Factors Associated With Ischemic Stroke in Japanese Patients With Nonvalvular Atrial Fibrillation

This cohort study pools data from several registries of Japanese patients with nonvalvular atrial fibrillation (NVAF) to assess various risk factors for stroke associated with NVAF.

JAMA Netw Open. 2020;3(4):e202881. doi:10.1001/jamanetworkopen.2020.2881
Abstract Full Text pdf link PDF

GLOBAL HEALTH

Association of Maternal History of Neonatal Death With Subsequent Neonatal Death in India

This cross-sectional study examines the association of maternal history of neonatal death with subsequent neonatal death among multiparous women in India.

JAMA Netw Open. 2020;3(4):e202887. doi:10.1001/jamanetworkopen.2020.2887
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ONCOLOGY

Association of Short-Chain Fatty Acids in the Gut Microbiome With Clinical Response to Treatment With Nivolumab or Pembrolizumab in Patients With Solid Cancer Tumors

This cohort study examines the association between fecal and plasma short-chain fatty acid concentrations and response to programmed cell death 1 (PD-1) inhibitors in patients with solid tumors.

JAMA Netw Open. 2020;3(4):e202895. doi:10.1001/jamanetworkopen.2020.2895
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INFECTIOUS DISEASES

Prevalence of Antibiotic-Resistant Pathogens in Culture-Proven Sepsis and Outcomes Associated With Inadequate and Broad-Spectrum Empiric Antibiotic Use

This cohort study elucidates the epidemiology of antibiotic-resistant pathogens and the outcomes associated with both undertreatment and overtreatment among patients with culture-positive community-onset sepsis.

JAMA Netw Open. 2020;3(4):e202899. doi:10.1001/jamanetworkopen.2020.2899
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ONCOLOGY

Differences in Stage of Cancer at Diagnosis, Treatment, and Survival by Race and Ethnicity Among Leading Cancer Types

This cohort study assesses the stage of cancer at diagnosis, use of therapy, overall survival, and cancer-specific survival among patients with cancer from different racial/ethnic groups.

JAMA Netw Open. 2020;3(4):e202950. doi:10.1001/jamanetworkopen.2020.2950
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PUBLIC HEALTH

Assessment of Perspectives on Health Care System Efforts to Mitigate Perceived Risks Among Immigrants in the United States: A Qualitative Study

This qualitative study explores the policies and actions implemented by US health care facilities after the 2016 presidential election in an effort to mitigate perceived risks among immigrants and health care practitioners.

JAMA Netw Open. 2020;3(4):e203028. doi:10.1001/jamanetworkopen.2020.3028
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GLOBAL HEALTH

Association of Fine Particulate Matter Exposure With Bystander-Witnessed Out-of-Hospital Cardiac Arrest of Cardiac Origin in Japan

This case-control study assesses exposure to ambient air pollution, presenting cardiac arrest rhythms, initial resuscitation efforts, and patient and onset factors in individuals who experienced out-of-hospital cardiac arrests in Japan.

JAMA Netw Open. 2020;3(4):e203043. doi:10.1001/jamanetworkopen.2020.3043
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OBSTETRICS AND GYNECOLOGY

Association Between Mode of First Delivery and Subsequent Fecundity and Fertility

This cohort study examines the association of first childbirth by cesarean vs vaginal delivery with rates of subsequent conceptions and live births among US women.

JAMA Netw Open. 2020;3(4):e203076. doi:10.1001/jamanetworkopen.2020.3076
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MEDICAL JOURNALS AND PUBLISHING

Prevalence of Multiplicity and Appropriate Adjustments Among Cardiovascular Randomized Clinical Trials Published in Major Medical Journals

This cross-sectional study assesses the prevalence of multiplicity and whether appropriate multiplicity adjustments were performed among cardiovascular randomized clinical trials published in 6 medical journals with a high impact factor.

JAMA Netw Open. 2020;3(4):e203082. doi:10.1001/jamanetworkopen.2020.3082
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PULMONARY MEDICINE

Effects of Wait Times on Treatment Adherence and Clinical Outcomes in Patients With Severe Sleep-Disordered Breathing: A Secondary Analysis of a Noninferiority Randomized Clinical Trial

This secondary analysis of a randomized noninferiority clinical trial evaluates the association of wait times for care with clinical outcomes for patients with severe sleep-disordered breathing.

JAMA Netw Open. 2020;3(4):e203088. doi:10.1001/jamanetworkopen.2020.3088
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ANESTHESIOLOGY

Association Between Preoperative Obstructive Sleep Apnea and Preoperative Positive Airway Pressure With Postoperative Intensive Care Unit Delirium

This cohort study examines whether preoperative obstructive sleep apnea is associated with postoperative incident delirium in the intensive care unit (ICU) and if preoperative positive airway pressure adherence modifies the association.

JAMA Netw Open. 2020;3(4):e203125. doi:10.1001/jamanetworkopen.2020.3125
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SUBSTANCE USE AND ADDICTION

Association of Formulary Prior Authorization Policies With Buprenorphine-Naloxone Prescriptions and Hospital and Emergency Department Use Among Medicare Beneficiaries

This study uses a comparative interrupted time series analysis to examine the association of prior authorization with use of buprenorphine-naloxone and health care outcomes among Medicare beneficiaries.

JAMA Netw Open. 2020;3(4):e203132. doi:10.1001/jamanetworkopen.2020.3132
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GERIATRICS

Association of Health Conditions and Health Service Utilization With Intimate Partner Violence Identified via Routine Screening Among Middle-Aged and Older Women

This cohort study examines the proportion of women aged 45 years and older who screen positive when routinely screened for past-year intimate partner violence at Veterans Health Administration clinics and evaluates the associations of positive screening results with health conditions and health service utilization.

JAMA Netw Open. 2020;3(4):e203138. doi:10.1001/jamanetworkopen.2020.3138
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CARDIOLOGY

Appropriateness of Percutaneous Coronary Interventions in Patients With Stable Coronary Artery Disease in US Department of Veterans Affairs Hospitals From 2013 to 2015

This cohort study assesses the appropriateness of percutaneous coronary interventions (PCIs) among patients with stable coronary artery disease in the US Department of Veterans Affairs (VA) health system and analyzes the interhospital variation in rates of inappropriate PCIs.

JAMA Netw Open. 2020;3(4):e203144. doi:10.1001/jamanetworkopen.2020.3144
Abstract Full Text pdf link PDF

PEDIATRICS

Assessment of Acute Hospital Use and Transfers for Management of Pediatric Seizures

This cross-sectional study examines the regional variation in availability of hospital care for children with seizures.

JAMA Netw Open. 2020;3(4):e203148. doi:10.1001/jamanetworkopen.2020.3148
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PSYCHIATRY

Longitudinal Assessment of Mental Health Disorders and Comorbidities Across 4 Decades Among Participants in the Dunedin Birth Cohort Study

This cohort study describes mental disorder life histories across 4 decades among participants in the Dunedin Study.

JAMA Netw Open. 2020;3(4):e203221. doi:10.1001/jamanetworkopen.2020.3221
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ONCOLOGY

Association of Medicaid Insurance With Survival Among Patients With Small Cell Lung Cancer

This cohort study examines the association of Medicaid coverage with survival, compared with other insurance statuses, among patients with small cell lung cancer.

JAMA Netw Open. 2020;3(4):e203277. doi:10.1001/jamanetworkopen.2020.3277
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HEALTH POLICY

Assessment of Clinical Trials Supporting US Food and Drug Administration Approval of Novel Therapeutic Agents, 1995-2017

This cross-sectional study characterizes pivotal efficacy trials supporting US Food and Drug Administration approval of new drugs and biologics during the past 3 decades.

JAMA Netw Open. 2020;3(4):e203284. doi:10.1001/jamanetworkopen.2020.3284
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HEALTH POLICY

State Policies on Access to Vaccination Services for Low-Income Adults

This survey study evaluates adult Medicaid beneficiaries’ access to adult immunization services through review of vaccination benefits coverage in Medicaid programs across the 50 states and the District of Columbia.

JAMA Netw Open. 2020;3(4):e203316. doi:10.1001/jamanetworkopen.2020.3316
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CARDIOLOGY

Association of a Novel Protocol for Rapid Exclusion of Myocardial Infarction With Resource Use in a US Safety Net Hospital

This cohort study of patients at a large US safety net hospital examines the safety of and resource use associated with a new protocol for excluding myocardial infarction from diagnosis of patients with chest pains through the use of high-sensitivity troponin.

JAMA Netw Open. 2020;3(4):e203359. doi:10.1001/jamanetworkopen.2020.3359
Abstract Full Text pdf link PDF

GLOBAL HEALTH

Factors Associated With Child Stunting, Wasting, and Underweight in 35 Low- and Middle-Income Countries

This cross-sectional study assesses the relative significance of factors associated with child anthropometric failures for 35 low- and middle-income countries.

JAMA Netw Open. 2020;3(4):e203386. doi:10.1001/jamanetworkopen.2020.3386
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HEALTH INFORMATICS

Evaluation of a Deep Neural Network for Automated Classification of Colorectal Polyps on Histopathologic Slides

This prognostic study evaluates the performance and generalizability of a deep neural network trained on data from a single institution for classification of colorectal polyps on histopathologic slide images.

JAMA Netw Open. 2020;3(4):e203398. doi:10.1001/jamanetworkopen.2020.3398
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CRITICAL CARE MEDICINE

Azithromycin Treatment vs Placebo in Children With Respiratory Syncytial Virus–Induced Respiratory Failure: A Phase 2 Randomized Clinical Trial

This phase 2 randomized clinical trial investigates the safety of azithromycin for children with respiratory syncytial virus–induced respiratory failure and assesses the effect of azithromycin therapy on nasal matrix metalloproteinase 9 levels.

JAMA Netw Open. 2020;3(4):e203482. doi:10.1001/jamanetworkopen.2020.3482
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ORTHOPEDICS

Operative vs Nonoperative Treatment of Distal Radius Fractures in Adults: A Systematic Review and Meta-analysis

This meta-analysis compares functional, clinical, and radiologic outcomes after operative vs nonoperative treatment of distal radial fractures in adults.

JAMA Netw Open. 2020;3(4):e203497. doi:10.1001/jamanetworkopen.2020.3497
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OPHTHALMOLOGY

Association Between Visual Impairment and Decline in Cognitive Function in a Multiethnic Asian Population

This cohort study examines the association between visual impairment and decline in cognitive function in a multiethnic Asian population in Singapore over a 6-year period.

JAMA Netw Open. 2020;3(4):e203560. doi:10.1001/jamanetworkopen.2020.3560
Abstract Full Text pdf link PDF

PHARMACY AND CLINICAL PHARMACOLOGY

Association of Oral Anticoagulants and Verapamil or Diltiazem With Adverse Bleeding Events in Patients With Nonvalvular Atrial Fibrillation and Normal Kidney Function

This comparative effectiveness study evaluates drug-drug interactions between direct oral anticoagulants and verapamil or diltiazem in patients with no history of kidney disease.

JAMA Netw Open. 2020;3(4):e203593. doi:10.1001/jamanetworkopen.2020.3593
Abstract Full Text pdf link PDF

NEUROLOGY

Association of the US Food and Drug Administration Antipsychotic Drug Boxed Warning With Medication Use and Health Outcomes in Elderly Patients With Dementia

This cross-sectional study assesses the long-term association of the 2005 US Food and Drug Administration atypical antipsychotic boxed warning with psychiatric medication and opioid use, health events, and quality of life among elderly individuals with dementia.

JAMA Netw Open. 2020;3(4):e203630. doi:10.1001/jamanetworkopen.2020.3630
Abstract Full Text pdf link PDF

ONCOLOGY

Association of Circulating Progesterone With Breast Cancer Risk Among Postmenopausal Women

This case-cohort study examines the association of circulating progesterone and progesterone metabolite concentrations with breast cancer in postmenopausal women.

JAMA Netw Open. 2020;3(4):e203645. doi:10.1001/jamanetworkopen.2020.3645
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ONCOLOGY

Association Between Spatial Heterogeneity Within Nonmetastatic Gastroesophageal Adenocarcinomas and Survival

This case series describes intratumoral spatial heterogeneity of tumor cell populations and investigates its association with survival among patients with nonmetastatic gastroesophageal adenocarcinoma.

JAMA Netw Open. 2020;3(4):e203652. doi:10.1001/jamanetworkopen.2020.3652
Abstract Full Text pdf link PDF

GASTROENTEROLOGY AND HEPATOLOGY

Association of Hepatitis B Virus DNA Level and Follow-up Interval With Hepatocellular Carcinoma Recurrence

This prognostic study evaluates the feasibility and availability of a novel hepatitis B virus DNA index to assess the prognosis of patients with hepatitis B virus–related hepatocellular carcinoma.

JAMA Netw Open. 2020;3(4):e203707. doi:10.1001/jamanetworkopen.2020.3707
Abstract Full Text pdf link PDF

SUBSTANCE USE AND ADDICTION

Association of Racial/Ethnic Segregation With Treatment Capacity for Opioid Use Disorder in Counties in the United States

This cross-sectional study examines the associations of racial/ethnic segregation with county-level availability of methadone and buprenorphine in the US.

JAMA Netw Open. 2020;3(4):e203711. doi:10.1001/jamanetworkopen.2020.3711
Abstract Full Text pdf link PDF

HEALTH POLICY

Regional Variation in Rates of Total Knee Arthroplasty Among Medicare Beneficiaries

This nationwide cohort study assesses whether rates of total knee arthroplasty are associated with the prevalence of knee arthritis, other potential risk factors, or geographic region among Medicare beneficiaries 65 to 89 years of age.

JAMA Netw Open. 2020;3(4):e203717. doi:10.1001/jamanetworkopen.2020.3717
Abstract Full Text pdf link PDF

CRITICAL CARE MEDICINE

Sensitivity of Continuous Electroencephalography to Detect Ictal Activity After Cardiac Arrest

This cohort study of patients resuscitated following cardiac arrest examines whether continuous monitoring of electroencephalographic activity improves detection of epileptiform events associated with neurological outcome and potentially treatable seizures.

JAMA Netw Open. 2020;3(4):e203751. doi:10.1001/jamanetworkopen.2020.3751
Abstract Full Text pdf link PDF

ONCOLOGY

Association of Nongenetic Factors With Breast Cancer Risk in Genetically Predisposed Groups of Women in the UK Biobank Cohort

This cohort study examines the association of nongenetic factors, such as lifestyle habits, with risk of breast cancer in women with varying levels of genetic predisposition for developing the disease.

JAMA Netw Open. 2020;3(4):e203760. doi:10.1001/jamanetworkopen.2020.3760
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NEUROLOGY

Health Utility Weighting of the Modified Rankin Scale: A Systematic Review and Meta-analysis

This systematic review and meta-analysis characterizes the between-study variability in health utility weighting of the modified Rankin Scale in a population of patients with stroke and its implications when applied to the results of a clinical trial.

JAMA Netw Open. 2020;3(4):e203767. doi:10.1001/jamanetworkopen.2020.3767
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HEALTH POLICY

Utilization and Cost of an Employer-Sponsored Comprehensive Primary Care Delivery Model

This cohort study of commercially insured employees assessed the utilization and cost of a comprehensive primary care model that incorporates employer-sponsored on-site, near-site, and virtual primary care.

JAMA Netw Open. 2020;3(4):e203803. doi:10.1001/jamanetworkopen.2020.3803
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GENETICS AND GENOMICS

Assessment of Interlaboratory Variation in the Interpretation of Genomic Test Results in Patients With Epilepsy

This cross-sectional study uses the ClinVar public database to assess interlaboratory variation in the interpretations of genetic test results in patients with epilepsy.

JAMA Netw Open. 2020;3(4):e203812. doi:10.1001/jamanetworkopen.2020.3812
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ONCOLOGY

Association of Patient Demographic Characteristics and Insurance Status With Survival in Cancer Randomized Clinical Trials With Positive Findings

This cohort study uses pooled patient-level data from the SWOG Cancer Research Network to assess whether positive treatment effects are associated with demographic or insurance subgroups among patients participating in phase 3 cancer randomized clinical trials.

JAMA Netw Open. 2020;3(4):e203842. doi:10.1001/jamanetworkopen.2020.3842
Abstract Full Text pdf link PDF

SURGERY

Association of Surgeon Case Numbers of Pancreaticoduodenectomies vs Related Procedures With Patient Outcomes to Inform Volume-Based Credentialing

This proof-of-concept cohort study evaluates whether surgeon experience with related procedures was associated with better outcomes for pancreaticoduodenectomy compared with procedure-specific experience alone.

JAMA Netw Open. 2020;3(4):e203850. doi:10.1001/jamanetworkopen.2020.3850
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PSYCHIATRY

Internet-Based Cognitive Behavioral Therapy to Reduce Suicidal Ideation: A Systematic Review and Meta-analysis

This systematic review and meta-analysis investigates whether internet-based self-help interventions directly targeting suicidal ideation or behavior are associated with reductions in suicidal ideation among patients in randomized clinical trials.

JAMA Netw Open. 2020;3(4):e203933. doi:10.1001/jamanetworkopen.2020.3933
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GENETICS AND GENOMICS

Association of Rare Pathogenic DNA Variants for Familial Hypercholesterolemia, Hereditary Breast and Ovarian Cancer Syndrome, and Lynch Syndrome With Disease Risk in Adults According to Family History

This cohort study uses data from the UK Biobank to assess the prevalence and clinical importance of pathogenic or likely pathogenic variants associated with genomic conditions of familial hypercholesterolemia, hereditary breast and ovarian cancer syndrome, and Lynch syndrome.

JAMA Netw Open. 2020;3(4):e203959. doi:10.1001/jamanetworkopen.2020.3959
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HEALTH POLICY

Assessment of Expected Out-of-Pocket Spending for Rheumatoid Arthritis Biologics Among Patients Enrolled in Medicare Part D, 2010-2019

This cross-sectional study assesses the association between closure of the Medicare Part D coverage gap and projected annual out-of-pocket costs from 2010 through 2019 for rheumatoid arthritis biologics.

JAMA Netw Open. 2020;3(4):e203969. doi:10.1001/jamanetworkopen.2020.3969
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PUBLIC HEALTH

Association of Childhood Psychomotor Coordination With Survival Up to 6 Decades Later

This cohort study of data from the British National Child Development Study examines the association between children's performance on psychomotor tests and mortality at age 58 years.

JAMA Netw Open. 2020;3(4):e204031. doi:10.1001/jamanetworkopen.2020.4031
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PUBLIC HEALTH

Association of US Households’ Disaster Preparedness With Socioeconomic Characteristics, Composition, and Region

This cross-sectional study assesses the associations of household demographic, socioeconomic, and composition characteristics with the likelihood of meeting disaster preparedness criteria.

JAMA Netw Open. 2020;3(4):e206881. doi:10.1001/jamanetworkopen.2020.6881
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INFECTIOUS DISEASES

Effect of High vs Low Doses of Chloroquine Diphosphate as Adjunctive Therapy for Patients Hospitalized With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection: A Randomized Clinical Trial

This randomized clinical trial evaluates the safety and efficacy of 2 chloroquine diphosphate dosages in patients with severe coronavirus disease 2019 (COVID-19).

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JAMA Netw Open. 2020;3(4):e208857. doi:10.1001/jamanetworkopen.2020.8857
Abstract Full Text pdf link PDF CME & MOC
open access Editorial

Caution Needed on the Use of Chloroquine and Hydroxychloroquine for Coronavirus Disease 2019

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JAMA Netw Open. 2020;3(4):e209035. doi:10.1001/jamanetworkopen.2020.9035
Abstract Full Text pdf link PDF CME & MOC
open access Invited Commentary

ONCOLOGY

The Uncertain Science of Predicting Death

JAMA Netw Open. 2020;3(4):e201736. doi:10.1001/jamanetworkopen.2020.1736
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CARDIOLOGY

Anticoagulation for Stroke Prevention in Patients With Atrial Fibrillation and End-Stage Renal Disease—First, Do No Harm

JAMA Netw Open. 2020;3(4):e202237. doi:10.1001/jamanetworkopen.2020.2237
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HEALTH POLICY

Marijuana Legislation and Electronic Cigarette– or Vaping–Associated Lung Injury: A Historical Perspective

JAMA Netw Open. 2020;3(4):e202238. doi:10.1001/jamanetworkopen.2020.2238
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ENVIRONMENTAL HEALTH

Is the Environment Associated With Preterm Birth?

JAMA Netw Open. 2020;3(4):e202239. doi:10.1001/jamanetworkopen.2020.2239
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PEDIATRICS

Will Simplifying the Finnegan Neonatal Abstinence Scoring Tool Improve Outcomes for Infants With Opioid Exposure?

JAMA Netw Open. 2020;3(4):e202271. doi:10.1001/jamanetworkopen.2020.2271
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PSYCHIATRY

The Importance of Defining Shared Criteria for the Diagnosis of Nonverbal Learning Disability

JAMA Netw Open. 2020;3(4):e202559. doi:10.1001/jamanetworkopen.2020.2559
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NEPHROLOGY

Renal Recovery After Acute Kidney Injury and Long-term Outcomes: Is Time of the Essence?

JAMA Netw Open. 2020;3(4):e202676. doi:10.1001/jamanetworkopen.2020.2676
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HEALTH POLICY

Cost-Sharing Under Medicare Part D: Paying Dearly to End the HIV Epidemic?

JAMA Netw Open. 2020;3(4):e202835. doi:10.1001/jamanetworkopen.2020.2835
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NEUROLOGY

Pregnancy and Risk of Intracerebral Hemorrhage

JAMA Netw Open. 2020;3(4):e202844. doi:10.1001/jamanetworkopen.2020.2844
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PUBLIC HEALTH

Potential for Life Course Health Benefits From Improved Household Environments

JAMA Netw Open. 2020;3(4):e202968. doi:10.1001/jamanetworkopen.2020.2968
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CARDIOLOGY

Use of Mobile Health and Patient-Generated Data—Making Health Care Better by Making Health Care Different

JAMA Netw Open. 2020;3(4):e202971. doi:10.1001/jamanetworkopen.2020.2971
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GLOBAL HEALTH

Maternal History of Neonatal Death as an Emerging Risk Factor of Subsequent Neonatal Mortality in Low- and Middle-Income Countries

JAMA Netw Open. 2020;3(4):e202972. doi:10.1001/jamanetworkopen.2020.2972
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PUBLIC HEALTH

The Case for Research-Informed Immigrant Health Policies Within Health Care Systems

JAMA Netw Open. 2020;3(4):e203022. doi:10.1001/jamanetworkopen.2020.3022
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ONCOLOGY

Progesterone Exposure and Breast Cancer Risk—Addressing Barriers

JAMA Netw Open. 2020;3(4):e203608. doi:10.1001/jamanetworkopen.2020.3608
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ONCOLOGY

Tumor Heterogeneity: Ignorance Is Not Bliss

JAMA Netw Open. 2020;3(4):e203677. doi:10.1001/jamanetworkopen.2020.3677
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CRITICAL CARE MEDICINE

Evaluating the Prognostic Utility of Intermittent vs Continuous Electroencephalography in Comatose Survivors of Cardiac Arrest

JAMA Netw Open. 2020;3(4):e203743. doi:10.1001/jamanetworkopen.2020.3743
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HEALTH POLICY

Continued Challenges With Medicaid Coverage of Adult Vaccines and Vaccination Services

JAMA Netw Open. 2020;3(4):e203887. doi:10.1001/jamanetworkopen.2020.3887
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SURGERY

Assessing a Surgeon’s Competency for High-Risk Procedures: Should We Be Looking at the Bigger Picture?

JAMA Netw Open. 2020;3(4):e203888. doi:10.1001/jamanetworkopen.2020.3888
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ONCOLOGY

Insurance Status as a Surrogate for Social Determinants of Health in Cancer Clinical Trials

JAMA Netw Open. 2020;3(4):e203890. doi:10.1001/jamanetworkopen.2020.3890
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HEALTH POLICY

Affordable Biologics for All

JAMA Netw Open. 2020;3(4):e204753. doi:10.1001/jamanetworkopen.2020.4753
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open access Research Letter

ONCOLOGY

Association of Age With Risk of Adverse Pathological Findings at Radical Prostatectomy in Men With Gleason Score 6 Prostate Cancer

This cohort study examines the association of older age with risk of adverse pathological findings at radical prostatectomy in men with biopsy-confirmed Gleason score 6 prostate cancer.

JAMA Netw Open. 2020;3(4):e202041. doi:10.1001/jamanetworkopen.2020.2041
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SUBSTANCE USE AND ADDICTION

Assessment of Excess Mortality Associated With Drug Overdose in Ohio From 2009 to 2018

This cross-sectional study examines excess mortality, measured as years of life lost, associated with unintentional drug overdose in Ohio from 2009 to 2018.

JAMA Netw Open. 2020;3(4):e202183. doi:10.1001/jamanetworkopen.2020.2183
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HEALTH POLICY

Association of State Marijuana Legalization Policies for Medical and Recreational Use With Vaping-Associated Lung Disease

This cross-sectional study evaluates the association between marijuana legalization policies and vaping-associated lung disease in states with recreational, medical, or prohibited marijuana use.

JAMA Netw Open. 2020;3(4):e202187. doi:10.1001/jamanetworkopen.2020.2187
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PEDIATRICS

Assessment of Neonatal Circumcision Availability at Chicago-Area Hospitals

This survey study assesses possible barriers to neonatal male circumcision by evaluating circumcision-related requirements and procedures among 44 birthing hospitals in the Chicago area in Illinois.

JAMA Netw Open. 2020;3(4):e202306. doi:10.1001/jamanetworkopen.2020.2306
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ONCOLOGY

Association of Survival With Chemoendocrine Therapy in Women With Small, Hormone Receptor–Positive, ERBB2-Positive, Node-Negative Breast Cancer

This cohort study examines the association of survival with adjuvant chemoendocrine therapy for hormone receptor–positive, ERBB2-positive, node-negative breast cancer.

JAMA Netw Open. 2020;3(4):e202507. doi:10.1001/jamanetworkopen.2020.2507
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PUBLIC HEALTH

Analysis of Ingredients of Supplements in the National Institutes of Health Supplement Database Marketed as Containing a Novel Alternative to Anabolic Steroids

This case series analyzes whether supplements categorized as containing novel ingredients in the National Institutes of Health Dietary Supplement Label Database are accurately labeled.

JAMA Netw Open. 2020;3(4):e202818. doi:10.1001/jamanetworkopen.2020.2818
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PUBLIC HEALTH

Effect of Treatment Expectation on Placebo Response and Analgesic Efficacy: A Secondary Aim in a Randomized Clinical Trial

This randomized clinical trial assessed the effect of patients’ treatment expectations on the efficacy of propranolol vs placebo among patients with temporomandibular disorder–associated myalgia.

JAMA Netw Open. 2020;3(4):e202907. doi:10.1001/jamanetworkopen.2020.2907
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CARDIOLOGY

Adherence to Guideline Medication Recommendations to Prevent Atherosclerotic Cardiovascular Disease Progression Among Adults With Prior Myocardial Infarction

This cohort study describes the use of drug therapies to prevent the progression of atherosclerotic cardiovascular disease in US patients with prior myocardial infarction and elevated low-density lipoprotein cholesterol levels.

JAMA Netw Open. 2020;3(4):e203032. doi:10.1001/jamanetworkopen.2020.3032
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ANESTHESIOLOGY

Comparison of a Pain Tolerability Question With the Numeric Rating Scale for Assessment of Self-reported Chronic Pain

This cohort study evaluates whether the incorporation of a pain tolerability question augments the information gathered from a numeric rating scale.

JAMA Netw Open. 2020;3(4):e203155. doi:10.1001/jamanetworkopen.2020.3155
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HEALTH POLICY

State Regulations Governing Firearms in Early Care and Education Settings in the US

This cross-sectional study documents existing US state regulations governing the presence and storage of firearms in early care and education settings and the extent to which these regulations align with national standards.

JAMA Netw Open. 2020;3(4):e203321. doi:10.1001/jamanetworkopen.2020.3321
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PEDIATRICS

Association of Bleeding Scores and Platelet Transfusions With Platelet Counts and Closure Times in Response to Adenosine Diphosphate (CT-ADPs) Among Preterm Neonates With Thrombocytopenia

This cohort study analyzes the association of closure time in response to adenosine diphosphate (CT-ADP) with bleeding score and the associations of platelet transfusions with change in platelet count, CT-ADP, and bleeding scores in preterm neonates with thrombocytopenia.

JAMA Netw Open. 2020;3(4):e203394. doi:10.1001/jamanetworkopen.2020.3394
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PSYCHIATRY

Association of Viewing the Films Joker or Terminator: Dark Fate With Prejudice Toward Individuals With Mental Illness

This survey study assesses the association of viewing the film Joker with level of prejudice toward individuals with mental illness.

JAMA Netw Open. 2020;3(4):e203423. doi:10.1001/jamanetworkopen.2020.3423
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HEALTH POLICY

Assessment of Completeness of Hospital Readmission Rates Reported in Medicare Advantage Contracts’ Healthcare Effectiveness Data and Information Set

This cross-sectional study evaluates the agreement between readmission rates reported by Medicare Advantage contracts and readmission rates calculated from their encounter data in the Healthcare Effectiveness Data and Information Set (HEDIS).

JAMA Netw Open. 2020;3(4):e203555. doi:10.1001/jamanetworkopen.2020.3555
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GERIATRICS

Evaluation of Hospice Enrollment and Family and Unpaid Caregivers’ Experiences With Health Care Workers in the Care of Older Adults During the Last Month of Life

This survey study assesses end-of-life caregivers’ experiences with health care workers during older adults’ last month of life.

JAMA Netw Open. 2020;3(4):e203599. doi:10.1001/jamanetworkopen.2020.3599
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HEALTH POLICY

Concordance Between Electronic Health Record Data and Medicare Part D Claims Data for Oral Anticancer Drug Use

This cross-sectional study determines the concordance between electronic health record and Medicare Part D claims data for the receipt of oral anticancer agents.

JAMA Netw Open. 2020;3(4):e203821. doi:10.1001/jamanetworkopen.2020.3821
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NEUROLOGY

Association of Ramadan Fasting and Clinical Outcomes in Patients With Myasthenia Gravis

This cohort study examines the association of Ramadan fasting with clinical outcomes in patients with myasthenia gravis.

JAMA Netw Open. 2020;3(4):e204373. doi:10.1001/jamanetworkopen.2020.4373
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MEDICAL EDUCATION

Association of Residency Training With Metabolic Measures

This cohort study investigates body mass index, body fat percentage, and laboratory measures of lifestyle-related clinical parameters in a population of medical residents compared with matched non–health care practitioner controls.

JAMA Netw Open. 2020;3(4):e205120. doi:10.1001/jamanetworkopen.2020.5120
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CRITICAL CARE MEDICINE

Clinical Characteristics of Patients Who Died of Coronavirus Disease 2019 in China

This case series describes the characteristics of a cohort of patients who died of coronavirus disease 2019 in China.

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JAMA Netw Open. 2020;3(4):e205619. doi:10.1001/jamanetworkopen.2020.5619
Abstract Full Text pdf link PDF CME & MOC

INFECTIOUS DISEASES

Epidemiological Assessment of Imported Coronavirus Disease 2019 (COVID-19) Cases in the Most Affected City Outside of Hubei Province, Wenzhou, China

This decision analytical model describes several key epidemiological features of imported coronavirus disease 2019 (COVID-19) cases in Wenzhou, China.

JAMA Netw Open. 2020;3(4):e206785. doi:10.1001/jamanetworkopen.2020.6785
Abstract Full Text pdf link PDF
open access Correction

Error in Abstract, Results, and Figure 2 Caption

JAMA Netw Open. 2020;3(4):e204463. doi:10.1001/jamanetworkopen.2020.4463
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Error in Funding/Support Footnote

JAMA Netw Open. 2020;3(4):e204467. doi:10.1001/jamanetworkopen.2020.4467
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Error in Abstract and Results

JAMA Netw Open. 2020;3(4):e204547. doi:10.1001/jamanetworkopen.2020.4547
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Errors in Figure

JAMA Netw Open. 2020;3(4):e204872. doi:10.1001/jamanetworkopen.2020.4872
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Errors in Results and Supplement

JAMA Netw Open. 2020;3(4):e204966. doi:10.1001/jamanetworkopen.2020.4966
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Error in Table 3

JAMA Netw Open. 2020;3(4):e205306. doi:10.1001/jamanetworkopen.2020.5306
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JAMA Netw Open. 2020;3(4):e205507. doi:10.1001/jamanetworkopen.2020.5507
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Error in Abstract

JAMA Netw Open. 2020;3(4):e206250. doi:10.1001/jamanetworkopen.2020.6250
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Error in Trial Registration Number

JAMA Netw Open. 2020;3(4):e206497. doi:10.1001/jamanetworkopen.2020.6497
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Clarification That Study Database Included Hospital Inpatients

JAMA Netw Open. 2020;3(4):e206536. doi:10.1001/jamanetworkopen.2020.6536
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Error in Data in the Abstract

JAMA Netw Open. 2020;3(4):e206593. doi:10.1001/jamanetworkopen.2020.6593
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Error in Methods

JAMA Netw Open. 2020;3(4):e206708. doi:10.1001/jamanetworkopen.2020.6708
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Errors in Figure 3 and Omission in Additional Contributions

JAMA Netw Open. 2020;3(4):e208117. doi:10.1001/jamanetworkopen.2020.8117
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open access JAMA Network Open Masthead

JAMA Network Open

JAMA Netw Open. 2020;3(4):e202438. doi:10.1001/jamanetworkopen.2020.2438
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