Letter | Clinical characteristic* | Points |
H | Hypertension (ie, uncontrolled blood pressure) | 1 |
A | Abnormal renal and liver function (1 point each) | 1 or 2 |
S | Stroke | 1 |
B | Bleeding tendency or predisposition | 1 |
L | Labile INRs (for patients taking warfarin) | 1 |
E | Elderly (age greater than 65 years) | 1 |
D | Drugs (concomitant aspirin or NSAIDs) or excess alcohol use (1 point each) | 1 or 2 |
Maximum 9 points | ||
HAS-BLED score (total points) | Bleeds per 100 patient-years¶ | |
0 | 1.13 | |
1 | 1.02 | |
2 | 1.88 | |
3 | 3.74 | |
4 | 8.70 | |
5 to 9 | Insufficient data |
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