Table 1 Definitions used for the three scoring systems for AKI
RIFLE | AKIN | AKIB | |||||
|---|---|---|---|---|---|---|---|
Stage | Serum creatinine criteria | MDRD eGFR criteria | Anuria criteria | Stage | Aerum creatinine | Stage | |
Risk | >1.5× baseline over 7 days | >25% decrease over 7 days | 1 | > 1.5× baseline or >26 mmol/l increase over 48 hours | 1 | >26 mmol/l increase over 24 h or >44 mmol/l over 48 h | |
Injury | >2× baseline over 7 days | >50% decrease over 7 days | 2 | >2× baseline over 48 hours | 2 | >44 mmol/l increase over 24 h or >88 mmol/l over 48 h | |
Failure | >3× baseline over 7 days | >75% decrease over 7 days | anuria for >12 h | 3 | >3× baseline or 44 mmol/l increase if baseline > 300 mmol/l over 48 hours or any RRT or anuria for >12 h | 3 | >88 mmol/l increase over 24 h or >132 mmol/l over 48 h |