Table 1 C-index for in-hospital mortality
No | Model | Training cohort | Validation cohort | ||
|---|---|---|---|---|---|
Number of models | C-index (95% CI) | Number of models | C-index (95% CI) | ||
1 | LR | 25 | 0.8603 [0.8330; 0.8886] | 21 | 0.8576 [0.8284; 0.8878] |
2 | RF | 9 | 0.8370 [0.7985; 0.8773] | 12 | 0.8501 [0.8237; 0.8773] |
3 | ANN | 10 | 0.8487 [0.8190; 0.8795] | 2 | 0.9200 [0.9025; 0.9379] |
4 | DT | 6 | 0.7957 [0.7390; 0.8567] | 5 | 0.7691 [0.6674; 0.8864] |
5 | SVM | 8 | 0.8491 [0.8048; 0.8958] | 6 | 0.8737 [0.8551; 0.8927] |
6 | XGBoost | 6 | 0.8953 [0.8526; 0.9401] | 4 | 0.9295 [0.9094; 0.9500] |
7 | NB | 1 | 0.8750 [0.8601; 0.8901] | 2 | 0.8539 [0.8251; 0.8837] |
8 | KNN | 1 | 0.7560 [0.7217; 0.7919] | 1 | 0.9500 [0.9302; 0.9702] |
9 | Other | 3 | 0.8416 [0.7825; 0.9051] | Â | Â |
10 | Overall | 69 | 0.8491 [0.8337; 0.8649] | 53 | 0.8633 [0.8467; 0.8802] |