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 factorsScore for each risk factorTotal scoreMajor bleeding events (% patients) in relation to the total score

None/00.9
Hypertension113.4
Abnormal renal or liver function1 each24.1
Stroke135.8
Bleeding history or predisposition148.9
Labile INR159.1
Age > 65 years160
Drugs/alcohol concomitantly1 each//

(From Lip et al. modified [175]).