They randomized 3630 survivors of MI (mean age, 60; maximum age, 74; mean LV ejection fraction, 52%) to warfarin (target INR, 2.8-4.2); aspirin (160 mg/day); or aspirin (75 mg/day) plus warfarin ...
In patients with AF, apixaban is more effective than either warfarin or aspirin for stroke prevention, with an acceptable safety profile.