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. 2015 May 30;14:52. doi: 10.1186/s12938-015-0045-1

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© Liu 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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a Comparison of R measured by the proposed method and SaO₂ measured by the gold standard method in two stages from a male subject aged 30 years (S01 in Table 1). b A correlation analysis and linear regression line for SaO₂ and R from 60 to 110 s of the first stage. c A correlation analysis and linear regression line for SaO₂ and R from 200 to 247 s of the second stage.