Table 2.
HAS-BLED Criteria
| Risk factor | Points | |
|---|---|---|
| H | Arterial hypertension (SAP > 160 mmHg) | 1 |
| A | Abnormal kidney function: CrCl ≤ 50 mL/min or creatinine ≥ 2.26 mg/dL or hemodialysis or kidney transplant | 1 |
| Abnormal liver function: bilirubin ≥ 2 × ULN or AST/ALT/AP ≥ 3 × ULN or hepatic cirrhosis | 1 | |
| S | Prior stroke | 1 |
| B | Prior bleeding or predisposition to bleeding | 1 |
| L | Labile INR or < 60% time within therapeutic range | 1 |
| E | Age > 65 | 1 |
| D | Drug use (NSAID, antiplatelet) | 1 |
| Alcohol use (> 20 U per week) | 1 |
ALT: alanine aminotransferase; AP: alkaline phosphatase; AST: aspartate aminotransferase; CrCl: creatinine clearance; INR: international normalized ratio; NSAID: nonsteroidal anti-inflammatory drugs; SAP: systolic arterial pressure; U: units; ULN: upper limit of normal.