Table 3

Factors associated with same-hospital readmission among patients with COVID-19, between 1 March 20201 and 16 September 2020

aSHR95% CIP value
Use of ACEi/ARB1.190.821.720.37
Age, years0.23
 18–40ref
 40–640.900.591.37
 65–740.750.441.27
 75 and older0.540.291.01
Race:0.04
 African American1.110.781.60
 Hispanic/Latino
 /Asian/Other
0.420.200.90
 Whiteref
Male1.010.711.430.95
Married1.320.941.860.11
Current smoker0.700.401.200.19
Body mass index, kg/m2:0.05
 <18.51.200.532.71
 18.5–24ref
 25–290.690.441.07
 30 and above0.590.390.90
Hypertension0.840.511.380.48
Coronary artery disease0.870.581.290.47
Chronic kidney disease1.190.761.860.46
Heart failure1.410.922.160.11
Diabetes1.561.022.390.04
COPD1.280.762.140.36
HIV0.920.501.700.79
Solid-organ transplant recipient0.840.391.810.66
  • Bold p<0.05.

  • Multivariable-adjusted Cox proportional hazards regression model. Death after index admission is accounted as a completing risk.

  • ACEi, ACE inhibitor; aSHR, adjusted sub-HR ; COPD, chronic obstructive pulmonary disease.