Table 5.
Association of different acute kidney injury category with mortality by multivariable logistic regression models
| Criteria | Odds ratio (95% CI) | P value |
|---|---|---|
| RIFLE |
|
|
| Risk |
1.96 (1.46-2.64) |
< 0.001 |
| Injury |
3.48 (2.55-4.75) |
< 0.001 |
| Failure |
6.95 (5.19-9.30) |
< 0.001 |
| AKIN |
|
|
| Stage 1 |
2.62 (1.99-3.45) |
< 0.001 |
| Stage 2 |
4.63 (3.22-6.65) |
< 0.001 |
| Stage 3 |
7.75 (5.82-10.32) |
< 0.001 |
| KDIGO |
|
|
| Stage 1 |
2.38 (1.75-3.23) |
< 0.001 |
| Stage 2 |
4.31 (3.09-6.02) |
< 0.001 |
| Stage 3 | 8.54 (6.31-11.56) | < 0.001 |
The model is adjusted for age, gender, diabetes, hypertension, chronic kidney disease, chronic heart failure, and Sequential Organ Failure Assessment (SOFA) score (without renal component). AKI, acute kidney injury; AKIN, Acute Kidney Injury Network; CI, confidence interval; KDIGO, Kidney Disease: Improving Global Outcomes; RIFLE, Risk, Injury, Failure, Loss of Kidney Function, and End-stage Kidney Disease.