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Clinical variables evaluated by the HAS-BLED score to identify patients at risk of bleeding induced by oral anticoagulants
| HAS-BLED criteria | Score |
|---|---|
| Hypertension | 1 |
| Abnormal renal or liver function (1 point each) | 1 or 2 |
| Stroke | 1 |
| Bleeding | 1 |
| Labile (INR) | 1 |
| Elderly (e.g. age > 65 years) | 1 |
| Drugs or alcohol (1 point each) | 1 or 2 |
INR: international normalized ratio.
