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Risk factors for bleeding with anticoagulant therapy.
| Advanced age (particularly >75 years) |
| Previous bleeding (if not associated with a reversible or treatable cause) |
| Recent surgery |
| Active cancer |
| Anaemia |
| Thrombocytopenia (particularly <50,000/µL) |
| Previous stroke, either haemorrhagic or ischaemic |
| Renal failure |
| Liver failure |
| Concomitant antiplatelet therapy or non-steroidal anti-inflammatory drugs |
