To compare ( 1 ) rates of stent thrombosis and major adverse cardiac and cerebrovascular events ( MACCE ; composite of death , myocardial infarction , or stroke ) after 30 vs 12 months of thienopyridine in patients treated with BMS taking aspirin and ( 2 ) treatment duration effect within the combined cohorts of randomized patients treated with DES or BMS as prespecified secondary analyses .