We used the International Statistical Classification of Diseases and Related Health Problems, Tenth Revision (ICD-10) codes for the principal diagnosis. See the Methods section for codes. The 2482 admitted patients who tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; 99% determined by nasopharyngeal swabs) were considered to have coronavirus disease 2019 (COVID-19); their most common principal diagnoses included 614 for emergency use (ICD-10 U07.1, activated at the VA for COVID-19 on April 1, 2020); 474, ICD-10 code not listed; 344, viral pneumonia, not elsewhere classified (ICD-10 J12); 237, other sepsis (ICD-10 A41); and 168, respiratory failure, not elsewhere classified (ICD-10 J96).
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Baum A, Schwartz MD. Admissions to Veterans Affairs Hospitals for Emergency Conditions During the COVID-19 Pandemic. JAMA. 2020;324(1):96–99. doi:10.1001/jama.2020.9972
Anecdotal reports suggest hospitalizations, including for emergency conditions and elective procedures, have declined during the coronavirus disease 2019 (COVID-19) pandemic.1 Reduced hospitalizations for conditions requiring timely treatment may have significant public health consequences.
The Department of Veterans Affairs (VA) is the largest health system in the US. The VA has ensured continuously available treatment for emergency conditions and canceled elective procedures during the COVID-19 pandemic.2 This study evaluated changes in the number of admissions to VA hospitals overall and for 6 common emergency conditions during the pandemic.
We analyzed data from the VA’s Corporate Data Warehouse, a national repository of electronic health records from visits to any VA facility.3 We describe trends in VA hospitalizations overall, for 6 common emergency conditions, and for COVID-19 during the first 16 weeks of 2019 and 2020 among a previously established cohort of adults enrolled in VA care between 2008 and 2018. We compared the number and demographic characteristics of patients hospitalized during weeks 5 to 10 (January 29 to March 10) and weeks 11 to 16 (March 11 to April 21) of 2020 overall, among demographic subgroups, and by International Statistical Classification of Diseases and Related Health Problems, Tenth Revision (ICD-10) principal diagnosis codes I60-I69 for stroke, I21-I22 for myocardial infarction, I50 for heart failure, J44 for chronic obstructive pulmonary disease (COPD), K35-K37 for appendicitis, and J10-J18 for pneumonia. Incidence rate ratios (IRRs) comparing daily hospitalization counts during weeks 11 to 16 of 2020 vs January 1, 2019, through week 10 of 2020 were estimated using Poisson regressions that adjusted for seasonal variation and secular trends with week-of-year and year fixed effects.
Analyses were performed using Stata version 15 (StataCorp). The institutional review board at VA New York Harbor Healthcare System approved this study and waived patient informed consent.
The number of patients in our cohort admitted to VA inpatient facilities decreased from 77 624 in weeks 5 to 10 of 2020 to 45 155 in weeks 11 to 16, a reduction of 41.9% (IRR, 0.57; 95% CI, 0.51-0.64) (Figure and Table). The mean age was 66.6 years (SD, 14.0 years), with 93.5% men, 69.0% white, and 24.6% black. The characteristics and case severity of patients admitted during weeks 5 to 10 vs weeks 11 to 16 of 2020 were similar (Table).
The number of patients admitted in weeks 5 to 10 vs weeks 11 to 16 of 2020 with a principal diagnosis of stroke decreased from 1375 to 661 (−51.9%; IRR, 0.44; 95% CI, 0.33-0.59), for myocardial infarction from 795 to 475 (−40.3%; IRR, 0.59; 95% CI, 0.50-0.69), for COPD from 1701 to 877 (−48.4%; IRR, 0.51; 95% CI, 0.38-0.68), for heart failure from 1255 to 639 (−49.1%; IRR, 0.53; 95% CI, 0.42-0.67), and for appendicitis from 236 to 134 (−56.7%; IRR, 0.56; 95% CI, 0.45-0.70). In contrast, the number of patients admitted overall and for each condition did not decline during the same period of 2019. For pneumonia, admissions decreased during weeks 11 to 16 by −13.7% in 2019 and by −28.3% in 2020 (IRR, 0.79; 95% CI, 0.65-0.95); when excluding patients who tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), pneumonia admissions decreased by −45.7% in 2020 (IRR, 0.61; 95% CI, 0.49-0.77). Among patients admitted during weeks 11 to 16 of 2020, 2458 tested positive for SARS-CoV-2 vs 26 during weeks 5 to 10.
Between March 11 and April 21, 2020, 42% fewer patients were admitted to VA inpatient facilities compared with the preceding 6 weeks, including for conditions generally requiring emergency treatment. The percentage decrease in admissions for conditions generally requiring emergency treatment was greater or similar in magnitude to the decrease in admissions overall and is unlikely to be attributable to declines in elective surgeries or disease incidence related to reduced stress or lower exposure to other pathogens or pollution. Rather, many patients may be avoiding hospitals to minimize risk of SARS-CoV-2 infection.
Limitations of this study include the VA population, which may not be generalizable, and use of a cohort first enrolling in VA care prior to 2019. However, comparatively few patients first enrolled later. Furthermore, the clinical consequences of decreased hospitalizations remain unknown and warrant longer-term studies using out-of-hospital mortality data. Nevertheless, the reduction in admissions observed should raise serious concerns about the well-being and health outcomes of patients who are not receiving inpatient care for conditions that require emergency treatment.
Corresponding Author: Aaron Baum, PhD, Department of Health System Design and Global Health, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029 (firstname.lastname@example.org).
Accepted for Publication: May 22, 2020.
Published Online: June 5, 2020. doi:10.1001/jama.2020.9972
Author Contributions: Dr Baum had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: All authors.
Acquisition, analysis, or interpretation of data: Baum.
Drafting of the manuscript: Baum.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Baum.
Administrative, technical, or material support: Schwartz.
Conflict of Interest Disclosures: Dr Baum reported receiving consulting fees from the American Board of Family Medicine outside the submitted work. Dr Schwartz reported being employed by the US Department of Veterans Affairs.