Effectiveness and safety of non-vitamin K antagonist oral anticoagulants in octogenarian patients with non-valvular atrial fibrillation
Fig 2
Risk-adjusted event-free survival according to the treatment.
Event-free survival curves are demonstrated according to the treatment, adjusted for age, sex, previous history of hypertension, diabetes mellitus, congestive heart failure, vascular disease and stroke history. A) Event-free survival curve for thromboembolism, B) Event-free survival curve for major bleeding, C) Event-free survival curve for all-cause death. NOAC, non-vitamin K antagonist oral anticoagulants; WFR, warfarin.