Risk factors for major bleeding in older patients within 90 days of hospital discharge for atrial fibrillation*
| Risk factors | Adjusted odds ratio (95% CI) | Relative risk (CI) | ARI (CI) |
|---|---|---|---|
| *Abbreviations defined in glossary; relative risk, ARI, and CI calculated from data in article. | |||
| †Each 1 year increase in age was associated with a 3% increase in bleeding rate. | |||
| Female | 1.40 (1.002 to 1.95) | 1.39 (1.002 to 1.93) | 0.5% (0.003 to 1.2) |
| Age† | 1.03 (1.002 to 1.05) | 1.03 (1.002 to 1.05) | 0.04% (0.003 to 0.06) |
| Anaemia | 2.52 (1.64 to 3.88) | 2.47 (1.63 to 3.74) | 1.9% (0.8 to 3.6) |
| History of bleeding | 2.40 (1.71 to 3.38) | 2.36 (1.69 to 3.28) | 1.8% (0.9 to 3.0) |
| Warfarin plus antiplatelets | 1.53 (1.05 to 2.22) | 1.52 (1.05 to 2.19) | 0.7% (0.06 to 1.5) |