Annals of emergency medicine
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To examine sex differences in oral anticoagulation management and outcomes among patients with incident nonvalvular atrial fibrillation presenting to the emergency department (ED). ⋯ Females with incident nonvalvular atrial fibrillation discharged from the ED are less likely to receive oral anticoagulants than males. When oral anticoagulant treatment is initiated, females have high adherence to direct oral anticoagulants, and both the sexes have poor warfarin control. At 1 year, females were at a significantly higher risk of developing stroke.