1. Outpatient Bleeding Risk Index
Risk Factor
Age≥ 65 years
History of Stroke
History of GI Bleeding
Presence of 1 or more comorbid conditions
(recent MI; Scr ≥1.5 mg/dL; Hct <30%; diabetes
Points 1
Bleeding Risk Group Observed Outpatient Observed Outpatient
Risk of Major Bleeding Risk of Minor Bleeding
0 points = low risk 0.8%/pt-yr 8.5%/pt-yr
1-2 points = intermediate risk 2.6%/pt-yr 5.3%/pt-yr
3-4 points = high risk 9.7%/pt-yr 6.1%/pt-yr
Beyth RJ, Quinn LM, Landefeld CS. Am J Med. 1998;105:91-9.