Association Between Caseload Surge and COVID-19 Survival in 558 U.S. Hospitals, March to August 2020

Several U.S. hospitals had surges in COVID-19 caseload, but their effect on COVID-19 survival rates remains unclear, especially independent of temporal changes in survival.To determine the association between hospitals' severity-weighted COVID-19 caseload and COVID-19 mortality risk and identify effect modifiers of this relationship.Retrospective cohort study. (ClinicalTrials.gov: NCT04688372).558 U.S. hospitals in the Premier Healthcare...