Table 1.

RIFLE criteria

RIFLE criteria
	Serum creatinine (S Cr) criteria	Urine output (UO) criteria
Risk	↑ S Cr × 1.5	< 0.5 mL/Kg/h × 6 h
Injury	↑ S Cr × 2	< 0.5 mL/Kg/h × 12 h
Failure	↑ S Cr × 3 Or ≥ 0.5 mg/dL if baseline S Cr ↑ to > 4 mg/dL	< 0.3 mL/Kg/h × 24 h or anuria × 12 h
Loss	Complete loss of renel function > 4 weeks
End stage	End stage renal disease for > 3 month