Association of Ticagrelor-Aspirin vs Clopidogrel-Aspirin With Clinical Outcomes Stratified by 
vascular death, death, hemorrhagic stroke, bleeding, stroke
BLEEDING, MYOCARDIAL INFARCTION, HEMORRHAGIC STROKE, TRANSIENT ISCHEMIC ATTACK, STROKE, ISCHEMIC STROKE, EVENTS
Abbreviations: C+A, clopidogrel-aspirin; HR, hazard ratio; NA, not applicable; T+A, ticagrelor-aspirin.Composite vascular events comprise ischemic stroke, hemorrhagic stroke, transient ischemic attack, myocardial infarction, and vascular death.A stroke was defined as disabling if the patient had a subsequent modified Rankin scale score greater than 1 (indicating death or any degree of disability).Severe or moderate bleeding and mild bleeding were defined in accordance with the Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries