Warfarin plus Aspirin after Myocardial Infarction or the Acute Coronary Syndrome: Meta-Analysis with Estimates of Risk and
Benefit

Figure 2. Studies with excluded rate ratios had no events in either group. ASPECT-2 = Antithrombotics in the Secondary Prevention
of Events in Coronary Thrombosis-2; OASIS = Organization to Assess Strategies for Ischemic Syndromes; WARIS II = Warfarin,
Aspirin, Reinfarction Study.
Forest plot showing rate ratios of ischemic stroke for warfarin plus aspirin compared with aspirin alone.
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Ann Intern Med
August 16, 2005
vol. 143
no. 4
241-250