Risk group | n (%) | Score, mean (±SD) | Mortality % (n) | P Value* |
---|---|---|---|---|
Low-risk group (< 12 points) | 776 (63.7%) | 4.8 (±3.8) | 3.1% (24) | < 0.001 |
Medium-risk group (12–21 points) | 233 (19.2%) | 17.3 (±2.3) | 12.9% (30) | |
High-risk group (≥22 points) | 208 (17.1%) | 27.7 (±7.3) | 27.9% (58) | |
All patients with complete data (N = 1217) | 1217 (100%) | 11.1 (±10.0) | 9.2% (112) | |
Discrimination assessment | ||||
AUC (95% CI), final model in development | 0.83 (0.79, 0.87) | |||
AUC (95% CI), final model in bootstrap validation | 0.82 (0.78, 0.87) | |||
Calibration assessment | ||||
Hosmer-Lemeshow test | Chi-square = 4.54, p = 0.81 | |||
Brier score | 0.07 |