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Table 3 Outcome in total group and according to SHARF severity classes

From: Renal replacement therapy is an independent risk factor for mortality in critically ill patients with acute kidney injury

 

Overall

SHARF score

P-value of difference

  

<30

30-60

>60

 

Number of AKI patients

n = 1303

n = 202

n = 341

n = 688

 

Hospital mortality

50.3%

21.8%

40.5%

63.7%

<0.001

ICU and hospital stay

     

   Days in ICU: mean (SD)

14.1 (16.4)

7.9 (10.0)

13.8 (16.2)

16.0 (17.4)

<0.001

   Days in hospital: mean (SD)

34.2 (36.6)

29.0 (30.8)

38.8 (43.4)

33.4 (33.7)

0.009

Renal outcome in survivors

     

   CKD stage 1-2 (eGFR > = 60 ml/minute)

38.6%

30.7%

41.4%

43.2%

 

   CKD stage 3 (eGFR 30-59 ml/minute)

35.0%

34.3%

30.8%

39.2%

 

   CKD stage 4 (eGFR 15-29 ml/minute)

10.7%

12.4%

13.0%

7.0%

 

   CKD stage 5 (eGFR <15 ml/minute or ESKD)

15.7%

22.6%

14.8%

10.6%

0.009

  1. AKI, acute kidney injury; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; ESKD, end-stage kidney disease; SHARF score, Stuivenberg Hospital Acute Renal Failure score [19]