Renal failure in cirrhosis: Emerging concepts

Table 3 The Acute Kidney Injury Network classification of acute kidney injury

Stage	Baseline SCr within 48 h	Urinary output
1	↑ SCr ≥ 0.3 mg/dL or ↑ SCr 1.5-1.9 times over baseline	< 0.5 mL/kg per hour for 6 h
2	↑ SCr 2.0-2.9 times over baseline	< 0.5 mL/kg per hour for 12 h
3	↑ SCr ≥ 3 times over baseline or if baseline SCr ≥ 4 mg/dL: ↑ SCr ≥ 0.5 mg/dL	< 0.3 mL/kg per hour for 24 h or anuria for 12 h

Adapted from Khwaja et al[30]. SCr: Serum creatinine.