Table 4.
Association of AKI with hospital outcomes
| Outcome by AKI stage | Hazard ratio (95% CI) | P value |
|---|---|---|
| Mortality | ||
| AKI stage 1 + 2 + 3 | 0.57 (0.03 to 11.8) | 0.72 |
| AKI stage 2 + 3 | — | — |
| Outcome by AKI stage | β (95% CI) | P value |
|---|---|---|
| Length of hospital stay, d | ||
| AKI stage 1 + 2 + 3 | 8.4 (4.4 to 6.7) | <0.0001 |
| AKI stage 2 + 3 | 5.2 (0.07 to 10.2) | 0.047 |
| Length of PICU stay, d | ||
| AKI stage 1 + 2 + 3 | 5 (0.86 to 9.1) | 0.02 |
| AKI stage 2 + 3 | 2.3 (–3.7 to 8.3) | 0.45 |
| Length of mechanical ventilation, d | ||
| AKI stage 1 + 2 + 3 | –3.9 (–9.4 to 12.7) | 0.15 |
| AKI stage 2 + 3 | –1.08 (–7.4 to 5.3) | 0.71 |
AKI, acute kidney injury; CI, confidence interval; PICU, pediatric intensive care unit.