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Table 1 Kidney Disease Improving Global Outcomes (KDIGO) definition of AKI

From: Improving prevention, early recognition and management of acute kidney injury after major surgery: results of a planning meeting with multidisciplinary stakeholders

Stage

Serum creatinine

Urine output

1

1.5–1.9 times baseline or ≥26.5 μmol/L increase

<0.5 ml/kg/h for 6–12 hours

2

2.0–2.9 times baseline

<0.5 ml/kg/h for ≥12 hours

3

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

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

  1. Abbreviation: AKI Acute kidney injury.