Table 3 C-index for 3- or 6-month mortality
No | Model | Training cohort | Validation cohort | ||
|---|---|---|---|---|---|
Number of models | C-index (95% CI) | Number of models | C-index (95% CI) | ||
1 | LR | 7 | 0.8334 [0.8046; 0.8632] | 3 | 0.8362 [0.7974; 0.8768] |
2 | RF | 3 | 0.8304 [0.7542; 0.9143] | 1 | 0.8500 [0.8450; 0.8550] |
3 | ANN | 5 | 0.8436 [0.8041; 0.8850] | 3 | 0.8054 [0.7340; 0.8838] |
4 | DT | 1 | 0.7700 [0.7406; 0.8006] | 1 | 0.7800 [0.7221; 0.8425] |
5 | SVM | 2 | 0.7031 [0.6336; 0.7803] | Â | Â |
6 | XGBoost | 2 | 0.8119 [0.7599; 0.8675] | Â | Â |
7 | Overall | 20 | 0.8227 [0.8001; 0.8460] | 8 | 0.8205 [0.7881; 0.8541] |