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. 2019 Feb 7;9(1):2045894019826944. doi: 10.1177/2045894019826944

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© The Author(s) 2019

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Fig. 1. — Functional class status at baseline, first follow-up, and second follow-up. First follow-up: median time of 4 months (range 3–10 months) and a mean of 4.9 months (SD 3.8 months). Second follow-up was performed at a median of 12 months (range 6–20 months), and a mean of 13.7 months (SD 3.6 months). From baseline to second follow-up survival was 100% (long-term survival data is presented separately, see Fig. 2). CI: confidence interval; FC: functional class; WHO: World Health Organization.