Table 1.

KDIGO criterion for diagnosis and staging of AKI [23].

Stage	Serum Creatinine	Urine Output
1	1.5–1.9 times baseline OR 0.3 mg/dL increase	<0.5 mL/kg/h for 6–12 h
2	2.0–2.9 times baseline	<0.5 mL/kg/h for ≥12 h
3	3.0 times baseline OR Increase in serum creatinine to ≥4.0 mg/dL OR initiation of replacement therapy	<0.3 mL/kg/h for ≥24 h OR anuria for ≥12 h