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. 2015 Jul 21;19(1):282. doi: 10.1186/s13054-015-0995-5

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© Bass et al. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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. 4 — Correlation between SpO₂/FiO₂ and PaO₂/FiO₂ when SpO₂ ≤ 97 %. FiO2 fraction of inspired oxygen, PaO2 partial pressure of oxygen, SpO2 pulse oximetric oxygen saturation