Fig. 1: Summary of real-world data from 230 sites.

a COVID-19 cases distribution: number of COVID-19 hospitalizations included in the study are represented across 47 states created by open-source R package usmap³⁴ (https://cran.r-project.org/web/packages/usmap/usmap.pdf) (b) Box plots of the prevalence rates of composite outcomes of 230 hospitals.