| GFR criteria | Urine output criteria |
---|---|---|
Risk | Increase plasma creatinine ×1.5 or GFR decrease > 25% | < 0.5 ml/kg/h × 6 h |
Injury | Increase plasma creatinine ×2 or GFR decrease > 50% | < 0.5 ml/kg/h × 12 h |
Failure | Increase plasma creatinine ×3 or GFR decrease > 75%, or serum creatinine ≥ 4 mg/dL with an acute rise > 0.5 mg/dL | < 0.3 ml/kg/h × 24 h or anuria ×12 h |
Loss | Persistent ARF = complete loss of kidney function > 4 wk | Â |
ESRD | End-stage renal disease (> 3 month) | Â |