Review Article
Recurrent Venous Thromboembolism: What Is the Risk and How to Prevent It
Table 3
The HAS-BLED score for the assessment of bleeding risk in patients treated with warfarin.
| Risk factors | Score for each risk factor | Total score | Major bleeding events (% patients) in relation to the total score |
| None | / | 0 | 0.9 | Hypertension | 1 | 1 | 3.4 | Abnormal renal or liver function | 1 each | 2 | 4.1 | Stroke | 1 | 3 | 5.8 | Bleeding history or predisposition | 1 | 4 | 8.9 | Labile INR | 1 | 5 | 9.1 | Age > 65 years | 1 | 6 | 0 | Drugs/alcohol concomitantly | 1 each | / | / |
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(From Lip et al. modified [175]).
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