Risk factors for bleeding with anticoagulation therapy
| Age older than 65 |
| Anemia |
| Antiplatelet therapy |
| History of bleeding |
| Poor anticoagulant control |
| Alcohol abuse |
| Cancer |
| Diabetes |
| Liver failure |
| Frequent falls |
| Nonsteroidal anti-inflammatory drug use |
| Renal failure |
| Recent surgery |
| Previous stroke |
| Thrombocytopenia |
Data from reference 3.