Hart, R.G.

stroke patient atrial fibrillation atrial fibrillation aspirin study event trial ischemic ischemic stroke prevention stroke prevention therapy warfarin anticoagulant anticoagulation outcome group prediction rule factor arch intern med patient age 100 patient-years nonvalvular atrial fibrillation nonrheumatic atrial fibrillation scheme analysis heart af patients randomized hypertension participant swets subs service table treatment atrial fibrillation investigators event rate result figure intern heart failure prediction death non-rheumatic atrial fibrillation antithrombotic therapy patient-year afasak nonvalvular ann intern med effect stroke risk risk factors atrial fibrillation patients framingham ischemic attack erasmus mc downloaded aspirin therapy february investigator hazard systolic blood pressure stroke rates diabetes failure blood attack interaction ratio patient history event rates population analyses disease infarction point hemorrhage thromboembolism reduction