Outcome Variable | AKI Definition | Level | Odds Ratio (95% CI) | P-value | AUC (95% CI) |
---|---|---|---|---|---|
Mortality | RIFLE | per 1 class | 4.5 (3.6 to 5.6) | <0.001 | 0.80 (0.75 to 0.85) |
 | AKIN | per 1 stage | 5.3 (4.3 to 6.6) | <0.001 | 0.82 (0.77 to 0.87) |
Prolonged intubation (alive) | RIFLE | per 1 class | 3.3 (2.8 to 3.8) | <0.001 | 0.66 (0.64 to 0.69) |
 | AKIN | per 1 stage | 3.3 (2.8 to 3.8) | <0.001 | 0.67 (0.64 to 0.69) |
 |  |  | Estimate (95% CI) | P-value |  |
ICU length of stay (alive), hours | RIFLE | per 1 class | 61 (54 to 68) | <0.001 | Â |
 | AKIN | per 1 stage | 59 (53 to 66) | <0.001 |  |
Hospital length of stay (alive), days | RIFLE | per 1 class | 4.3 (3.9 to 4.8) | <0.001 | Â |
 | AKIN | per 1 stage | 4.1 (3.7 to 4.6) | <0.001 |  |