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. 2015 Dec 3;13:193. doi: 10.1186/s12955-015-0383-5

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© Xu et al. 2015

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 — The Bland-Altman plot for test-retest agreement of SC-OSS. The differences between patients for SC-OSS from two test sessions were plotted against the mean of the two session total scores. The line indicates the 95 % (±1.96 standard deviation) limits of agreement