Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Nephrol. Mar 25, 2022; 11(2): 58-72
Published online Mar 25, 2022. doi: 10.5527/wjn.v11.i2.58
Table 2 Comparison of characteristics of patients grouped by World Health Organization coronavirus disease 2019 severity
Disease severityMild (16/32)
Moderate/severe (16/32)
P value

Median (IQR)
Median (IQR)

Age (yr)77.5 (54.5-84.5)75.5 (67.5-78.5)NS
Frailty index3.5 (2-5)3 (2-4.5)NS
Co-morbidities3 (1-3)3 (2-4)NS
Men, n (%)7 (43.8)10 (62.5)NS
Women, n (%)9 (56.2)6 (37.5)
Screening, n (%)11 (68.8)1 (6.3)< 0.01
Symptomatic, n (%)5 (31.2)15 (93.7)
CT infiltratesNS
0-10%13 (86.7)11 (68.8)
> 10%2 (13.3)5 (31.2)
COVID death, n (%)0 (0)3 (21.4)NS
Non-COVID death, n (%)1 (7.1)1 (9.1)NS
COVID progression, n (%)5 (31.3)8 (50)NS