Riscfactors

HAS-BLED score

H

Hypertension

1

A

Abnormal renal or liver function (1 point each)

1 or 2

S

Stroke

1

B

Bleeding

1

L

Labile INRs

1

E

Elderly (e.g. age>65 yrs)

1

D

Drugs or alcohol (1 point each)

1 or 2

Maximum score

9

Score

Bleeding rate (%/year)

0-1

<= 1.02

2

1.88

>=3

>= 3.74