BAD patients who were in CYP2C19 Loss-of-Function Carriers s (poor or intermediate metabolizers) were stratified by three groups ( ticagrelor-aspirin ,clopidogrel-aspirin and asprin alone) ,The primary efficacy outcome was the proportion of good prognosis. (MRS 0-1 or 0-2) among three treatments(ticagrelor-aspirin ,clopidogrel-aspirin and asprin alone) in 90days
The second outcome was new strokes within 90days.