Table 1.

KDIGO staging of AKI [1].

Stage	Creatinine	Urine Output
1	1.5–1.9 times baseline, OR ≥0.3 mg/dL	<0.5 mL/kg/h × 6–12 h
2	2–2.9 times baseline	<0.5 mL/kg/h for >12 h
3	>3 times baseline, OR >4 mg/dL, OR Initiation of RRT	<0.3 mL/kg/h for >24 h, OR Anuria > 12 h