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Table 1 Relationship between urine output and serum creatinine criteria and clinical outcomes

From: Effects of non-severe acute kidney injury on clinical outcomes in critically ill patients

KDIGO stage

Urine output only

No AKI

Stage 1

Stage 2

Stage 3

Total

Serum creatinine only

No AKI

8179

3158

5421

440

17,198

 Dead

4.3 %

5.3 %

7.9 %

17.7 %

5.9 %

 RRT

0.0 %

0.0 %

0.1 %

1.1 %

0.1 %

Stage 1

1889

1262

3485

842

7478

 Dead

8.0 %

11.3 %

13.0 %

32.1 %

13.6 %

 RRT

0.3 %

0.7 %

0.6 %

10.9 %

1.7 %

Stage 2

618

476

1533

831

3458

 Dead

11.3 %

23.9 %

21.5 %

44.2 %

25.5 %

 RRT

1.0 %

1.3 %

1.7 %

21.7 %

6.3 %

Stage 3

371

321

1,019

2,200

3911

 Dead

11.6 %

38.6 %

28.0 %

51.1 %

40.3 %

 RRT

3.2 %

17.8 %

14.2 %

55.3 %

36.6 %

Total

11,057

5217

11,458

4313

32,045

 Dead

5.6 %

10.5 %

13.0 %

42.6 %

14.0 %

 RRT

0.3 %

1.4 %

1.7 %

34.6 %

5.6 %

  1. AKI acute kidney injury, KDIGO Kidney Disease Improving Global Outcomes, RRT renal replacement therapy. Adapted from Kellum et al. [11] (with permission)