This diagnostic accuracy study evaluates whether changes to the definitions of T1a and T1b or greater invasive melanoma staging between the AJCC Cancer Staging Manual 7th and 8th editions by the American Joint Committee on Cancer (AJCC) led to changes in the concordance and reproducibility of pathologists’ readings of melanocytic skin biopsies compared with a consensus reference standard.
This cohort study uses registry data to examine associations between permanent pacemaker implantation during hospitalization for transcatheter aortic valve replacement (TAVR) and mortality, hospital readmission, emergency department visits, and health care costs.
This clinical trial compares the effects of chiropractic care added to usual medical care vs usual medical care alone on pain relief and pain-related function among active-duty US military personnel.
This study describes the proportion of clinical trials presented as abstracts at an annual pediatric scientific meeting that were ultimately published in the medical literature, and trial characteristics associated with publication vs nonpublication.
This pharmacoepidemiology study assesses rates and duration of antibiotic use begun within the first 3 days of life in very low-birth-weight and extremely low-birth-weight infants using administrative database data of academic and community hospitals from 2009 to 2015.
This cohort study uses Danish national registry data to describe use of antithrombotic therapy before and after ischemic stroke in patients with atrial fibrillation, and to investigate associations between use of antithrombotic therapy and long-term recurrent embolism and bleeding.
This cohort study describes follow-up care for patients within 3 months of receiving treatment for mild traumatic brain injury (TBI) or concussion at US emergency departments of level I trauma centers.
This population-based survey study compares rates of use of alcohol, marijuana, cigarettes, and illicit drugs among eighth-grade and high school reservation-based American Indian adolescents with rates among a national sample of US adolescents in 2016-2017.
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