External validation of five bleeding risk models in the total study population; C-statistics with 95% CI
| VTE-bleed | AF-bleed | HAS-BLED | ATRIA | ORBIT | |
| C-statistic | 0.56 | 0.56 | 0.56 | 0.55 | 0.56 |
| 95% CI | 0.52 to 0.60 | 0.51 to 0.60 | 0.52 to 0.60 | 0.51 to 0.59 | 0.52 to 0.60 |
AF, atrial fibrillation; VTE, venous thromboembolism.