2021
DOI: 10.21203/rs.3.rs-927133/v1
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Noriko Tsuji, Yoshimitsu TAKAHASHI, Michi Sakai et al.

Abstract: Abstract Background and aim: The introduction of direct oral anticoagulants (DOACs) has greatly changed the use of anticoagulant therapy in patients with non-valvular atrial fibrillation (Af). However, few studies have reported on the current state of anticoagulant therapy at the national level. This study aimed to examine changes in the proportions of oral anticoagulant (OAC) prescriptions (4 DOACs and a vitamin K antagonist: VKA) in patients with non-valvular Af aged ≥65 years, taking into considerat…

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