Internal validation performance statistics
| Model | Calibration slope* | Apparent discrimination† | Bootstrap-adjusted discrimination‡ |
|---|---|---|---|
| HERDOO2 | |||
| Model for use (score) | – | – | – |
| Development model (β terms) | – | – | – |
| Vienna | |||
| Model for use (nomogram) | – | – | – |
| Development model (β terms) | 0.88 | 0.651 | 60 months=0.646 |
| DASH | |||
| Model for use (score) | – | 0.71 | – |
| Development model (β terms) | 0.974 | 0.72 | – |
*Bootstrap calibration slope.
†C-statistic based on development data.
‡C-statistic based on bootstrap internal validation.