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. 2018 Feb 26;8(2):2045894018759246. doi: 10.1177/2045894018759246

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© The Author(s) 2018

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. — Development cohort selection and dichotomization based on EMR encounter diagnosis. ICD-9-CM, International Classification of Diseases-9-Clinical Modification; PAH, pulmonary arterial hypertension; RHC, right heart catheterization; RVSP, right ventricular systolic pressure.