Table 3.

Incidence of major bleeding stratified by the HEMORR₂HAGES score (data from the National Registry of Atrial Fibrillation).

HEMORR2HAGES store	No. of patients	No. of bleeding	Bleeding per 100 patient-years warfarin (95% CI)
0	209	4	1.9 (0.6–4.4)
1	508	11	2.5 (1.3–4.3)
2	454	20	5.3 (3.4–8.1)
3	240	15	8.4 (4.9–13.6)
4	106	9	10.4 (5.1–18.9)
≥5	87	8	12.3 (5.8–23.1)
Any score	1604	67	4.9 (3.9–6.3)