Effectiveness and Safety of Non–Vitamin K Antagonist Oral Anticoagulant and Warfarin in Cirrhotic Patients With Nonvalvular Atrial Fibrillation

Background Liver cirrhotic patients with nonvalvular atrial fibrillation have been excluded from randomized clinical studies regarding oral anticoagulants for stroke prevention. Whether non–vitamin K antagonist oral anticoagulants ( NOAC s) are superior to warfarin for these patients remains unclear. Methods and Results This nationwide retrospective cohort study, with data collected from the Taiwan National Health Insurance Research Database,...