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. 2019 Mar 29;8(7):e011629. doi: 10.1161/JAHA.118.011629

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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-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Flowchart of analytic population. OPEN CTO indicates Outcomes, Patient Health Status, and Efficiency in Chronic Total Occlusion; SAQ, Seattle Angina Questionnaire.