Skip to main content

Table 1 Baseline characteristics of patients with a positive test for SARS-CoV-2 in the VA healthcare system, by age group

From: Age differences in the association of comorbid burden with adverse outcomes in SARS-CoV-2

Characteristic 18-64 years N=99,483 65-79 years N=55,013 ≥80 years N=26,032 All patients N=170,528 P value
Sex      < 0.001
 Women, % 26.2 3.8 2.2 16.7  
 Men, % 73.8 96.2 97.8 83.3  
Race      < 0.001
 White, % 51.7 72.5 77.2 60.8  
 Black, % 23.4 18.3 12.8 20.8  
 Other, % 3.3 2.1 1.7 2.7  
 Missing/Unknown 21.5 7.1 8.3 15.6  
Ethnicity      < 0.001
 Non-Hispanic 69.4 89.6 89.7 77.8  
 Hispanic 11.9 6.3 5.3 9.5  
 Missing/Unknown 18.7 4.2 5 12.7  
Body mass index (kg/m2)      < 0.001
 <18.5 (underweight), % 0.4 1.2 2.7 0.9  
 18.5-24.9 (normal weight), % 9.9 16 33.4 14.1  
 25.29.9 (overweight), % 25.7 34.2 37.2 29.5  
 30-34.9 (Obese I), % 26.2 27.6 17.1 25.8  
 ≥35 (Obese II and III), % 23.4 19.4 6.2 20.5  
 Missing, % 14.5 1.6 3.4 9.3  
Charlson Comorbidity Index (median (IQR)) 0.0 (0.0,2.0) 3.0 (2.0,6.0) 4.0 (2.0,7.0) 1.0 (0.0,4.0) < 0.001
Charlson Comorbidity Index (%)      < 0.001
 0 54.6 11.2 8.8 36.3  
 1 18.3 12 9.5 15.5  
 2-3 16.4 27.5 24.2 20.7  
 ≥4 10.7 49.3 57.5 27.6  
Median (IQR) 18-64 years 65-79 years ≥80 years All patients
 Hospital LOS 5 (3-9) 7 (4-14) 9 (5-15) 7 (4-13)
 ICU (LOS) 4 (2-8) 5 (3-10) 5 (2-9) 5 (3-9)