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Table 1 Definition of AKI by the kidney disease: improving global outcome criteria [31]

From: The aftermath of acute kidney injury: a narrative review of long-term mortality and renal function

AKI stage

Serum creatinine

Urine output

I

1.5 to 2.0 times baseline within 7 days or ≥ 26.4 μmol/L within 48 h

< 0.5 ml/kg/h for 6–12 h

II

2.0 to 2.9 times baseline

< 0.5 ml/kg/h for ≥ 12 h

III

≥ 3.0 times baseline or an increase in SCr to ≥ 353.6 μmol/L or the initiation of renal replacement therapy

< 0.3 ml/kg/h for ≥ 24 h or anuria for ≥ 12 h

  1. AKI acute kidney injury, SCr serum creatinine concentration