Table 4 Multivariate analysis of baseline characteristics and short term treatments as predictors of major bleeding.

Model 1	p Value	Odds ratio	5–95% CI
Prior COA	0.608	1.253	0.457 to 3.434
Log (age)	0.026	2.277	1.679 to 2.649
Heart failure on admission	<0.001	3.434	1.939 to 6.081

Adjusted covariates: female sex, diabetes, heparin, aspirin, glycoprotein IIb/IIIa inhibitors, thrombolysis, primary percutaneous coronary intervention, low creatinine clearance.

COA, long term oral anticoagulant drug treatment.