Efficacy and safety of NOAC versus warfarin in AF patients with left atrial enlargement

Background Little is known about the effects of anticoagulation in patients with atrial fibrillation (AF) and left atrial enlargement (LAE). Methods Data of patients with AF were retrieved from Chang Gung Research Database during 2007–2016. We excluded patients who were not using oral anticoagulants, used anticoagulants for <30 days, used ≥2 agents concomitantly or switched anticoagulants, had left atrial diameter missing from their data,...