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Figure 7 Low intensity oral anticoagulation plus aspirin versus aspirin alone. Outcomes are cardiovascular death, myocardial infarction, or stroke. CABG = coronary artery bypass graft; CARS = Coumadin Aspirin Reinfarction Study; CI = confidence interval; df = degrees of freedom; N = study population; n = subset population; OA = oral anticoagulation; OASIS = Organization to Assess Strategies for Ischemic Syndrome; OR = odds ratio.
