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. 2017 Dec 4;17:139. doi: 10.1186/s12876-017-0684-8

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© The Author(s). 2017

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. 1 — Means of the GSRS-IBS/RDF total score for the different subgroups. Legend: The bars indicate the 95% confidence interval of the group mean. GSRS-IBS Gastrointestinal Symptom Rating Scale for Irritable Bowel Syndrome; IBD (chronic) inflammatory bowel disease; IBS irritable bowel syndrome; RDF Reizdarm-Fragebogen