Table 4 Bleeding risk scoring system: HAS-BLED. Adapted from Pisters R et al. Chest. 2010;138;1093–100 [42]
| Â | Risk factor | Points |
|---|---|---|
H | Hypertension | 1 |
A | Abnormal renal and liver function (1 point each) | 1 or 2 |
S | Stroke | 1 |
B | Bleeding | 1 |
L | Labile INRs | 1 |
E | Elderly (age >65 y) | 1 |
D | Drugs or alcohol (1 point each) | 1 or 2 |
Risk score | Bleeds per 100 patient-years | Risk of bleeding |
0 | 1.13 | Low |
1 | 1.02 | Moderate |
2 | 1.88 | |
3 | 3.74 | High |
4 | 8.70 | |
5 | 12.50 |