ARI stage

Créatinine

Diuresis

1

Increase > 26 μmol/L (3 mg/L) in 48 h

or >50% in 7 days

<0.5 ml/kg/h for 6 to 12 hours

2

Creatinine × 2 < 0.5 ml/kg/h ≥ 12 h

Creatinine × 2 < 0.5 ml/kg/h ≥ 12 h

3

Creatinine × 3

or

Creatinine > 354 μmol/L (40 mg/L)

if no previous value

or

need for dialysis

<0.3 ml/kg/h ≥ 24 h

or

anuria ≥ 12 h