Table 1. Major bleeding event rates according to the bleeding risk scores.
| Major Bleeding Investigator Level N = 162 | Major Bleeding Adjudicated EventN = 127 | Major Bleeding Investigator LevelN = 162 | Major Bleeding Adjudicated EventN = 127 | ||
|---|---|---|---|---|---|
| HAS-BLED N (%) | ATRIA N (%) | ||||
| 0 | 1 (0.6) | 1 (0.8) | 0 | 11 (6.8) | 8 (6.3) |
| 1 | 7 (4.3) | 3 (2.4) | 1 | 64 (39.5) | 8 (37.8) |
| 2 | 28 (17.3) | 23 (18.1) | 2 | 29 (17.9) | 22 (17.3) |
| 3 | 48 (29.6) | 31 (24.4) | 3 | 54 (33.3) | 45 (35.4) |
| 4 | 43 (26.5) | 41 (32.3) | 4 | 3 (1.9) | 3 (2.4 |
| 5 | 26 (16.0) | 20 (15.7) | 5 | 0 (0.0) | 0 (0.0) |
| 6 | 9 (5.6) | 8 (6.3) | 6 | 1 (0.6) | 1 (0.8) |
| HAS-BLED Risk N (%) | ATRIA Risk N (%) | ||||
| Low | 36 (22.2) | 27 (21.3) | Low | 158 (97.5) | 123 (96.9) |
| High | 126 (77.8) | 100 (78.7) | Medium/High | 4 (2.5) | 4 (3.1 |
| HAS-BLED Risk (per 100 patient-years) | ATRIA Risk (per 100 patient-years) | ||||
| Low | 2.4 | 1.8 | Low | 3.3 | 2.5 |
| High | 3.6 | 2.9 | Medium/High | 3.4 | 3.4 |
| ORBIT N (%) | HEMORR2HAGES N (%) | ||||
| 0 | 48 (29.6) | 38 (29.9) | 0 | 9 (5.6) | 6 (4.7) |
| 1 | 49 (30.2) | 36 (28.3) | 1 | 81 (50.0) | 60 (47.2) |
| 2 | 47 (29.0) | 37 (29.1) | 2 | 45 (27.8) | 39 (30.7) |
| 3 | 15 (9.3) | 14 (11.0) | 3 | 22 (13.6) | 17 (13.4) |
| 4 | 2 (1.2) | 2 (1.6) | 4 | 4 (2.5) | 4 (3.1) |
| 5 | 1 (0.6) | 0 (0) | 5 | 1 (0.6) | 1 (0.8) |
| ORBIT Risk N (%) | HEMORR2HAGES Risk N (%) | ||||
| Low | 144 (88.9) | 111 (87.4) | Low | 90 (55.6) | 66 (52.0) |
| Medium/High | 18 (11.1) | 16 (12.6) | Medium/High | 72 (44.4) | 48 (48.0) |
| ORBIT Risk (per 100 patient-years) | HEMORR2HAGES Risk (per 100 patient-years) | ||||
| Low | 3.1 | 2.4 | Low | 3.0 | 2.2 |
| Medium/High | 4.9 | 4.4 | Medium/High | 3.6 | 2.4 |