Stage | Serum creatinine | Urine output |
---|---|---|
1 | 1.5–1.9 times baseline or ≥26.5 μmol/L increase | <0.5 ml/kg/h for 6–12 hours |
2 | 2.0–2.9 times baseline | <0.5 ml/kg/h for ≥12 hours |
3 | 3.0 times baseline or increase to ≥353.6 μmol/L or initiation of renal replacement therapy | <0.3 ml/kg/h for ≥24 hours or anuria for ≥12 hours |