Table 1.

Kidney Disease: Improving Global Outcomes Criteria for Acute Kidney Injury

Stage	sCr	UO
1	1.5–1.9 × baseline	<0.5 mL/kg/h for 6–12 h
	OR
	≥0.3 mg/dL (>26.5 μM) increase
2	2.0–2.9 × baseline	<0.5 mL/kg/h for 12 h
3	3 × baseline	<0.3 mL/kg/h for ≥24 h
	OR	OR
	Increase in sCr ≥4.0 mg/dL (353.6 μM)	Anuria for ≥12 h
	OR
	Initiation of RRT
	OR
	In patients <18 years, decrease in eGFR to <35 mL/min per 1.73 m2

AKI, acute kidney injury; GFR, glomerular filtration rate; KDIGO, Kidney Disease: Improving Global Outcomes; RRT, renal replacement therapy; sCr, serum creatinine; UO, urine output.