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Figure 6 Moderate intensity oral anticoagulation plus aspirin versus moderate-to-high-intensity oral anticoagulation. Outcomes are cardiovascular death, myocardial infarction, or stroke. ASPECT = Antithrombotics in the Secondary Prevention of Events in Coronary Thrombosis; ATACS = Antithrombotic Therapy in Acute Coronary Syndrome; CI = confidence interval; df = degrees of freedom; OA = oral anticoagulation; OR = odds ratio; WARIS = Warfarin-Aspirin ReInfarction Study.