Table 3 Performance measures (95% exact binomial confidence intervals) for the CART model prediction in-hospital mortality
Model | Accuracy (95% CI) | Specificity (95% CI) | Sensitivity (95% CI) | AUROC (95% CI) |
|---|---|---|---|---|
Training (n = 2111) | 0.73 (0.71, 0.75) | 0.75 (0.73, 0.78) | 0.71 (0.68, 0.74) | 0.75 (0.73, 0.78) |
Testing (n = 2111) | 0.69 (0.67, 0.71) | 0.72 (0.70, 0.75) | 0.65 (0.62, 0.68) | 0.72 (0.69, 0.75) |