Table 6 Hematuria and proteinuria in COVID-19 patients

Xia et al. [27]

10 (27.8) ^a

> 2+ by dipstick

5 (13.9) ^a

> 2+ by dipstick

At hospital presentation

Hirsch et al. [1] ^b

249 (40.9)

RBCs >5/HPF

272 (42.1) ^c

≥ 2+ by dipstick ^c

24 h before or 48 h after AKI

Hong et al. [28]

18 (17.5) ^d

≥ 1+ by dipstick

19 (18.4) ^d

≥ 1+ by dipstick

N/A

Na et al. [29]

10 (15.2)

RBCs >3/HPF

9 (13.6)

Trace or + by dipstick

During hospitalization

Cheng et al. [2]

118 (26.7) ^e

≥ 1+ by dipstick

194 (43.9) ^e

≥ 1+ by dipstick

N/A

Chen et al. [17]

84 (50.6) ^f

N/A

100 (60.2) ^f

N/A

N/A

Taher et al. [30]

15 (20.5)

≥ 1+ by dipstick

38 (52.1)

≥ 1+ by dipstick

N/A

Pei et al. [11]

139 (41.7)

≥ Trace by dipstick

219 (65.8)

≥ Trace by dipstick

On the first morning after admission

Li et al. [4]

71 (48.3) ^g

≥ Trace by dipstick

88 (59.9)

≥ Trace by dipstick

Upon admission