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. 2019 Apr 25;8(9):e012029. doi: 10.1161/JAHA.119.012029

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© 2019 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Enrollment of patients, aged ≥65 years, with nonvalvular atrial fibrillation (AF). From January 1, 2010, to December 31, 2017, this study evaluated a total of 7687 patients with hemoglobin ≥10 g/dL and 669 patients with hemoglobin <10 g/dL. NOAC indicates non–vitamin K antagonist oral anticoagulant.