Stage | GFR/serum creatinine criteria | Urine output criteria |
---|---|---|
Stage 1 | 1.5–1.9 times baseline or ≥ 26.5 μmol/L increase within 48 h | < 0.5 mL/kg/h for 6–12 h |
Stage 2 | 2–2.9 times baseline | < 0.5 mL/kg/h ≥ 12 h |
Stage 3 | 3 times baseline or Increase in serum creatinine to ≥ 354 μmol/L or Initiation of renal replacement therapy | < 0.3 mL/kg/h ≥ 24 h Or Anuria for ≥ 12 h |