| OR | 95% CI | p |
---|
Model 1 |
Class 1 | Reference | | |
Class 2 | 3.29 | 2.27–4.79 | < 0.001 |
Class 3 | 10.97 | 8.15–14.77 | < 0.001 |
Class 4 | 20.37 | 14.54–28.53 | < 0.001 |
Model 2 |
Class 1 | Reference | | |
Class 2 | 3.03 | 2.09–4.14 | < 0.001 |
Class 3 | 9.29 | 6.88–12.54 | < 0.001 |
Class 4 | 10.72 | 7.52–15.30 | < 0.001 |
Model 3 |
Class 1 | Reference | | |
Class 2 | 2.98 | 2.03–4.36 | < 0.001 |
Class 3 | 16.21 | 11.83–22.18 | < 0.001 |
Class 4 | 8.31 | 5.75–12.02 | < 0.001 |
- Multivariable logistic regression was used to evaluate the association between 28-day mortality and AKI classes, in which class 1 was used as a reference. Model 1 was adjusted for age, body mass index, and male sex. Model 2 was adjusted for model 1 plus AKI stage. Model 3 was adjusted for Model 2 plus SAPS II score, SOFA score, and Elixhauser comorbidity score. AKI, acute kidney injury; OR, odds ratio; CI, confidence interval; SAPS II, Simplified Acute Physiology Score II; SOFA, Sequential Organ Failure Assessment