Table 3.
AUROC—exernal validation cohort.
| N | ROC area | [95% conf.] | P | |
|---|---|---|---|---|
| PRN-Lasso | 4750 | 0.628 | 0.602–0.654 | |
| EBM13 | 4750 | 0.634 | 0.607–0.660 | 0.173 |
| IHTSA10 | 4750 | 0.635 | 0.609–0.662 | 0.488 |
| IHTSA recalibrated26 | 4750 | 0.643 | 0.617–0.669 | 0.197 |
| IMPACT11 | 4750 | 0.602 | 0.575–0.628 | 0.094 |
PRN, partial response network; EBM, explainable boosting machines; IHTSA, International Heart Transplant Survival Algorithm; IMPACT, index for mortality prediction after cardiac transplantation.