Table 1 KDIGO definition of AKI

AKI 1

baseline multiplier ≥1.5 AND ≤ 1.9 OR ≥ 0.3 mg/dl increase

<  0.5 ml/kg/h for 6-12 h

AKI 2

baseline multiplier ≥2.0 AND ≤ 2.9

<  0.5 ml/kg/h for ≥12 h

AKI 3

baseline multiplier ≥3.0 OR ≥ 4.0 mg/dl AND ≥ 0.5 mg/dl increase

< 0.3 ml/kg/h for 24 h–48 h

initiation of dialysis