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. 2018 Jan 25;18:19. doi: 10.1186/s12890-018-0575-y

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Kaplan Meier analysis for time to death by disease category. a. Kaplan Meier analysis according to FVC 80%. Log rank test p < 0.001. b. Kaplan Meier analysis according to DLco 55%. Log rank test p < 0.001. c. Kaplan Meier analysis according to CPI 40. CPI (composite physiological index). Log rank test p < 0.001. d. Kaplan Meier analysis according to GAP stage. GAP (Gender, Age, Physiology). Log rank test p < 0.001