Table 2 Development and external validation of prediction equations
|  | n | β | HR | Discrimination; C-statistic (95% CI) | Calibration |
|---|---|---|---|---|---|
Hospital A | 572 | 1.39 | 4.0 (1.2–13.7) | 0.734 (0.630–0.839) | 0.292 |
Hospital B | 285 | – | – | 0.809 (0.721–0.897) | 0.006 |
|  | n | β | HR | Discrimination; C-statistic (95% CI) | Calibration |
|---|---|---|---|---|---|
Hospital A | 572 | 1.39 | 4.0 (1.2–13.7) | 0.734 (0.630–0.839) | 0.292 |
Hospital B | 285 | – | – | 0.809 (0.721–0.897) | 0.006 |