Table 1.

Outcomes of patients with coronavirus disease 2019 with and without CKD before and after propensity matching

OutcomeRisk Ratio (95% Confidence Interval)P Value
Before Propensity Matching
Coronavirus Disease 2019 with CKD, n=8810, % (n)Coronavirus Disease 2019 without CKD, n=143,653, % (n)
Mortality10.0 (883)1.5 (2136)6.7 (6.2 to 7.3)<0.001
Ventilation7.2 (633)2.0 (2800)3.7 (3.4 to 4.0)<0.001
Hospitalization42.8 (3771)15.0 (10,611)2.9 (2.8 to 2.9)<0.001
After Propensity Matching
Coronavirus Disease 2019 with CKD, n=7901, % (n)Coronavirus Disease 2019 without CKD, n=7901, % (n)
Mortality9.4 (744)5.8 (462)1.6 (1.4 to 1.8)<0.001
Ventilation7.1 (562)4.1 (320)1.8 (1.5 to 2.0)<0.001
Hospitalization41.5 (3275)28.5 (2251)1.5 (1.4 to 1.5)<0.001
Severity Subgroups After Propensity Matching
Coronavirus Disease 2019 with Severe CKD, n=2415, % (n)Coronavirus Disease 2019 without Severe CKD, n=2415, % (n)
Mortality9.8 (237)6.0 (145)1.6 (1.3 to 2.0)<0.001
Ventilation9.2 (222)6.1 (147)1.5 (1.2 to 1.9)<0.001
Hospitalization52.2 (1261)32.5 (784)1.6 (1.3 to 1.9)<0.001
Coronavirus Disease 2019 with Moderate CKD, n=5432, % (n)Coronavirus Disease 2019 without Moderate CKD, n=5432, % (n)
Mortality10.4 (564)7.5 (407)1.4 (1.2 to 1.6)<0.001
Ventilation6.9 (373)5.1 (276)1.4 (1.2 to 1.6)<0.001
Hospitalization43.4 (2358)33.8 (1835)1.3 (1.3 to 1.4)<0.001
Need for KRT2.7 (121)0.8 (40)3.5 (2.4 to 4.9)<0.001
Coronavirus Disease 2019 with Mild CKD, n=1536, % (n)Coronavirus Disease 2019 without Mild CKD, n=1536, % (n)
Mortality8.2 (126)7.1 (109)1.2 (0.9 to 1.5)0.25
Ventilation7.0 (107)6.1 (93)1.2 (0.9 to 1.5)0.31
Hospitalization40.2 (618)35.4 (543)1.1 (1.0 to 1.3)0.005
Need for KRT1.9 (30)1.2 (19)1.5 (0.8 to 2.8)0.17