Model performance | Before recalibration | Model 1 | Model 2 | Model 3 |
---|---|---|---|---|
AUROC | 0.915 | 0.915 | 0.915 | 0.917 |
Optimism-corrected AUROC | - | 0.915 | 0.915 | 0.916 |
Brier score | 0.062 | 0.047 | 0.047 | 0.047 |
Scaled Brier score | 0.171 | 0.37 | 0.37 | 0.38 |
Modified Hosmer–Lemeshow test, p value | < .001 | < .001 | .002 | .84 |
Calibration plot | ||||
 Intercept | - 1.32 | 0.04 | 0.00 | 0.01 |
 Slope | 1.02 | 1.02 | 1.00 | 1.01 |
Akaike information criterion | - | 11219 | 11219 | 11129 |
Standardized mortality ratio | 0.48 | 1.00 | 1.00 | 1.00 |