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Table 1 The KDIGO staging system for AKI

From: Applications for detection of acute kidney injury using electronic medical records and clinical information systems: workgroup statements from the 15th ADQI Consensus Conference

AKI Stage

Serum creatinine criteria

Urine output criteria

1

Increase > 26.4 μmol/L

<0.5 mL · Kg−1 · h−1 for 6 to 12 h

or 1.5-1.9 times baseline

2

Increase 2.0 -2.9 times baseline

<0.5 mL · Kg−1 · h−1 for more than 12 h

3

Increase creatinine > 354 μmol/L

<0.3 mL · Kg−1 · h−1 for 24 h

or 3 times baseline

or anuria for 12 h

or initiation of RRT