Figure 4.
Kaplan-Meier estimates for mortality and readmission following COVID-19 hospitalization stratified by rural and urban county of residence. A, Prevaccination period: Kaplan-Meier estimates for mortality rates, categorized according to whether patients reside in rural or urban areas. B, Postvaccination period: Kaplan-Meier estimates for mortality rates, categorized according to whether patients reside in rural or urban areas. C, Prevaccination period: Kaplan-Meier estimates for readmission rates, categorized according to whether patients reside in rural or urban areas. D, Postvaccination period: Kaplan-Meier estimates for readmission rates, categorized according to whether patients reside in rural or urban area. Abbreviations: aHR, adjusted to hazard ratio; CI, confidence interval.
