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. 2018 Oct 3;18:153. doi: 10.1186/s12935-018-0648-2

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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 — Association of preoperative AFR, Fib and Alb with progression and survival of esophageal squamous cell carcinoma. a 3Pop X-tile plot of AFR using X-tile software; b histogram of AFR using X-title software; c Kaplan–Meier curve of AFR using X-tile software. d Kaplan–Meier curve of Fib; e Kaplan–Meier curve of Alb; f Kaplan–Meier curve of AFR