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Table 1 Study characteristics

From: Mortality rate of acute kidney injury in SARS, MERS, and COVID-19 infection: a systematic review and meta-analysis

Author and year Country/city AKI male (%) AKI age (median) Settings Total case numbers AKI case numbers Baseline serum creatinine (mg/dL) RRT/AKI case (%) AKI mortality (%) Overall mortality (%)
SARS
 Huang 2005 [3] Taiwan/Taipei 77 65* Hospitalization 78 13 1.20 38 77 19
 Wu 2004 [4] Taiwan/Taipei 50 58* Hospitalization 2 2 1.05 NA 100 100
 Chu 2005 [5] China/Hong Kong 69 54 Hospitalization 536 36 1.06 28 92 14
 Choi 2003 [6] China/Hong Kong NA NA Hospitalization 267 15 NA NA 87 12
MERS
 Saad 2014 [7] Saudi Arabia NA NA Hospitalization 70 30 NA NA 70 60
 Alsaad 2017 [8] Saudi Arabia 100 33 Intensive care unit 1 1 NA 0 100 100
 Cha 2015 [9] Korea 63 73* Hospitalization 30 8 1.60 38 63 17
COVID-19
 Alberici 2020 [10] Italy/Brescia 67 58* Kidney transplantation/hospitalization 20 6 3.13 17 17 25
 Hirsch 2020 [11] USA/New York 64 69 Hospitalization 5449 1993 1.24 14 35 16
 Lei 2020 [12] China/Wuhan NA NA Hospitalization 34 2 NA NA 100 21
 Chen 2020 [13] China/Wuhan NA NA Hospitalization 274 29 NA 10 97 41
 Deng 2020 [14] China/Wuhan NA NA Hospitalization 225 20 NA NA 100 48
 Wang 2020 [15] China/Wuhan NA NA Hospitalization 107 14 NA NA 100 18
 Yang 2020 [16] China/Wuhan NA NA Hospitalization 52 15 NA 60 80 62
 Gopalakrishnan 2020 [17] USA 100 49 Hospitalization 1 1 1.00 100 100 100
 Suwanwongse 2020 [18] USA/New York 100 88 Hospitalization 1 1 1.16 0 0 0
 Banerjee 2020 [19] UK/London 25 59* Kidney transplantation/hospitalization 7 4 2.54 75 25 14
 Zhou 2020 [20] China/Wuhan NA NA Hospitalization 191 28 NA 36 96 28
 Wang 2020 [21] China/Wuhan NA NA Hospitalization 339 27 NA NA 63 19
 Richardson 2020 [22] USA/New York NA NA Hospitalization 2351 523 NA 15 66 20
 Wang 2020 [23] China/Wuhan NA NA Intensive care unit 344 86 NA 10 93 39
 Ruan 2020 [24] China/Wuhan NA NA Hospitalization 150 23 NA 22 91 45
 Cao 2020 [25] China/Wuhan NA NA Hospitalization 102 20 NA 30 75 17
  1. AKI acute kidney injury, NA not available, RRT renal replacement therapy
  2. *Age was represented by the mean value