Severity of AKI

Stage 1

13

4.6

Stage 2

19

6.7

Stage 3

253

88.8

Type of renal lesion

Pre-renal

75

26.3

Acute tubular necrosis

129

67.5

Acute interstitial nephritis

32

16.8

Thrombotic microangiopathy

28

14.7

RPGN

2

1.0

Post renal

20

7.0

Etiology

Infection

125

43.9

Volume depletion

83

29.8

Drugs and nephrotoxins

52

18.2

Malignancies

29

10.2

Vascular causes

22

7.7

Obstetric complications

10

3.5

Dialysis

Need for dialysis

150

52.6

Dialyzed

125

83.3

Indicated but not dialyzed

25

16.7

Indications for dialysis

Oligo/anuria > 12 + urea > 1.2 g/l

140

93.3

Uremia

56

37.3

Metabolic acidosis

44

29.3

Refractory hyperkalemia

27

18.0

Acute pulmonary edema

24

16.0

Normal UO + urea >1.8 g/l

23

15.3