Comparison of clinical effects and costs among dabigatran etexilate, rivaroxaban and warfarin in elderly patients with atrial fibrillation.

Objective: To analyze the clinical effects and economic costs between Warfarin and novel oral anticoagulants in elderly patients with atrial fibrillation (AF).

Methods: This is a retrospective study. A total of 680 elderly AF patients receiving oral anticoagulants for the first time were selected as subjects and assigned into Group A, B and C.