Total points | Patients (n=8288)* | Bleeding (n=387) | Rate of bleeding (95% CI) (%) |
0 | 2923 | 58 | 2.0 (1.5 to 2.6) |
1 | 3344 | 117 | 3.5 (2.9 to 4.2) |
2 | 1059 | 65 | 6.1 (4.8 to 7.8) |
3 | 471 | 45 | 9.6 (7.1 to 12.6) |
4 | 289 | 42 | 14.5 (10.7 to 19.1) |
5 | 123 | 26 | 21.1 (14.3 to 29.4) |
6 | 53 | 22 | 41.5 (28.1 to 55.9) |
7 | 16 | 7 | 43.8 (19.8 to 70.1) |
8 | 10 | 5 | 50.0 (18.7 to 81.3) |
*There were missing data in three cases.