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. 2022 Feb 2;53(5):1540–1549. doi: 10.1161/STROKEAHA.121.036695

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© 2022 The Authors.

Stroke is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial-NoDerivs License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited, the use is noncommercial, and no modifications or adaptations are made.

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Figure 1. — Study profile. A, The derivation cohort, (B) the validation cohort. DOAC indicates direct oral anticoagulant; NIHSS, National Institutes of Health Stroke Scale; and TIA, transient ischemic attack.