Table 3.
Performance of the models for predicting ICU mortality; N = 36,632 patients
| Models | AUC (CI 95%) * | Brier score (CI 95%) | Ĉ-statistic (CI)* | Ĉ-statistic p-value |
|---|---|---|---|---|
| APACHE IV – model | 0.906 (0.904–0.906) | 0.011 (0.011–0.011) | 38.5 (30.2–54.8) | < 0.001 |
| APACHE II – model | 0.892 (0.891–0.893) | 0.011 (0.011–0.011) | 27.1 (14.1–35.4) | 0.001 |
| SOFA - model | 0.865 (0.864–0.866) | 0.012 (0.012–0.012) | 16.4 (12.9–25.1) | 0.030 |
| SAPS-II - model | 0.919 (0.917–0.919) | 0.011 (0.011–0.012) | 9.7 (5.7–21.3) | 0.215 |
| MPM24-II - model | 0.862 (0.860–0.863) | 0.012 (0.012–0.012) | 7.2 (2.8–15.3) | 0.462 |
*AUC: area under the receiver operating characteristic curve; Ĉ-statistic: Hosmer and Lemeshow goodness-of-fit Ĉ-statistic; CI: 95% confidence interval