Abstract
In this retrospective cohort study of 94,595 SARS-CoV-2 positive cases, we developed and validated an algorithm to assess the association between COVID-19 severity and long-term complications (stroke, myocardial infarction, pulmonary embolism/deep vein thrombosis, heart failure, and mortality). COVID-19 severity was associated with a greater risk of experiencing a long-term complication days 31-120 post-infection. Most incident events occurred days 31-60 post-infection and diminished after day 91, except heart failure for severe patients and death for moderate patients, which peaked days 91-120. Understanding the differential impact of COVID-19 severity on long-term events provide insight into possible intervention modalities and critical prevention strategies.
Keywords: COVID-19, SARS-CoV2, Veterans, Epidemiology, electronic health records (EHR)
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