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. 2016 Jan 4;22:1. doi: 10.1186/s40885-015-0036-3

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© Song et al. 2016

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 relationship between platelet-to-lymphocyte ratio (PLR) and the clinical features of obstructive sleep apnea syndrome (OSAS). a There were gradual but significant increases in the PLR (controls: 99.5 ± 42.1, mild OSAS; 113.8 ± 45.2, moderate OSAS; 121.3 ± 62.9 and severe OSAS; 138.6 ± 59.9, p = 0.001). b The PLR was most significantly elevated in OSAS patients with hypertension compared to those without and to controls