Table 2

Outcomes of the 21 included studies with patients with COVID-19

StudyCountryNICU/Severe patients
N (%)
AKIMortality
AKI
N (%)
RRT
N (%)
AKI
ICU
N (%)
RRT
ICU
N (%)
Overall
N (%)
AKI
mortality
N (%)
RRT
mortality
N (%)
Chen et al 35 China27429 (10.6)3 (1.1)161 (58.8)28 (96.6)3 (100.0)
Guan et al 36 China1099173 (15.7)6 (0.5)15 (1.4)
Yang et al 37 China5252 (100.0)15 (28.8)9 (17.3)32 (61.5)12 (80.0)8 (88.9)
Zhou et al 38 China19150 (26.2)28 (14.7)54 (28.3)27 (96.0)
Du et al 39 China8548 (56.5)8 (9.4)85 (100.0)8 (100.0)
Huang et al 40 China4113 (31.7)3 (7.3)3 (7.3)3 (23.1)3 (23.1)6 (14.6)
Cai et al 41 China29888 (29.5)17 (5.7)4 (1.3)3 (1.0)
Cheng et al 43 China70173 (10.4)36 (5.1)113 (16.1)
Lei et al 25 China3415 (44.1)2 (5.9)1 (2.9)2 (13.3)1 (6.7)7 (20.6)
Wang et al 26 China13836 (26.1)5 (3.6)2 (1.4)3 (8.3)2 (5.6)6 (4.3)
Wang et al 27 China339239 (70.5)27 (8.0)65 (19.2)17 (62.9)
Hirsch et al 13 USA54491395 (25.6)1993 (36.6)285 (5.2)1060 (76.0)276 (19.8)888 (16.3)694 (34.8)
Nowak et al 28 Poland16927 (16.0)17 (10.1)1 (0.6)46 (27.2)10 (58.8)1 (100.0)
Zheng et al 29 China3434 (100.0)7 (20.6)5 (14.7)6 (40.0)4 (26.7)0 (0.0)
Wang et al 30 China10714 (13.1)19 (17.8)14 (100.0)
Yu et al 31 China226226 (100.0)57 (25.2)24 (10.6)57 (25.2)24 (10.6)87 (38.5)
Richardson et al 32 USA5700373 (6.5)1370 (24.0)225 (3.9)553 (9.7)347 (25.3)78 (96.0)*
Pei et al 23 China333189 (56.8)35 (10.5)6 (1.8)24 (42.9)29 (8.7)20 (57.1)
Li et al 33 China5454 (100.0)29 (53.7)6 (11.1)
Yao et al 17 China10825 (23.1)16 (14.8)1 (0.9)12 (11.1)7 (43.8)1 (100.0)
Qiu et al 34 China10425 (24.0)2 (1.9)1 (1.0)
  • *78 deaths among 81 patients discharged alive or dead; 144 RRT patients remained in hospital.

  • AKI, acute kidney injury; ICU, intensive care unit; RRT, renal replacement therapy.