Hellemons, B.S.P.

patient stroke event atrial fibrillation aspirin study atrial fibrillation anticoagulant prediction rule ischemic trial prevention group stroke prevention anticoagulation outcome event rate arch intern med prediction warfarin af patients ischemic stroke nonvalvular atrial fibrillation death nonrheumatic atrial fibrillation erasmus mc intern therapy afasak factor hypertension figure heart systolic blood pressure patient history event rates result nonvalvular history non-rheumatic atrial fibrillation ischemic attack 100 pys low-dose warfarin /100 randomized rotterdam analysis blood atrial fibrillation investigators stroke risk population american attack 100 patient-years framingham heart study anticoagulant vs aspirin infarction erasmu table stroke rates association hazard pataf right disease thromboembolism ann intern med downloaded framingham february observation derivation nonvalvular af nonrheumatic ct scan result treatment effect ratio low-dose