Table 2 C-index for 30-day mortality
No | Model | Training cohort | Validation cohort | ||
|---|---|---|---|---|---|
Number of models | C-index (95% CI) | Number of models | C-index (95% CI) | ||
1 | LR | 7 | 0.8249 [0.7952; 0.8556] | 6 | 0.8298 [0.8135; 0.8464] |
2 | RF | 3 | 0.9051 [0.8914; 0.9191] | 5 | 0.8118 [0.7903; 0.8340] |
3 | ANN | 3 | 0.8478 [0.8262; 0.8699] | 2 | 0.8181 [0.7828; 0.8549] |
4 | DT | 4 | 0.7831 [0.6766; 0.9063] | 1 | 0.7800 [0.7701; 0.7901] |
5 | SVM | 3 | 0.8919 [0.8752; 0.9089] | 3 | 0.8852 [0.8635; 0.9075] |
6 | NB | 4 | 0.7992 [0.7429; 0.8598] | Â | Â |
7 | AdaBoost | 1 | 0.8700 [0.8405; 0.9005] | Â | Â |
8 | BN | 2 | 0.7712 [0.7351; 0.8091] | Â | Â |
9 | LDA | 1 | 0.8410 [0.8069; 0.8766] | Â | Â |
10 | Other | 2 | 0.6400 [0.5944; 0.6890] | Â | Â |
11 | Overall | 30 | 0.8208 [0.7940; 0.8485] | 17 | 0.8296 [0.8134; 0.8462] |