Model performance in the primary and validation cohorts
AUC (95% CI) | Accuracy (95% CI) | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Cut-off value | Cut-off score | |
Primary cohort | 0.779 (0.766 to 0.793) | 0.702 (0.688 to 0.715) | 0.609 | 0.820 | 0.811 | 0.623 | 0.566 | 167.9 |
Validation cohort | 0.778 (0.757 to 0.799) | 0.715 (0.694 to 0.735) | 0.781 | 0.637 | 0.718 | 0.722 | 0.065 | 161.8 |
AUC, area under the receiver operating characteristic curve.