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. 2016 Jul 22;20:226. doi: 10.1186/s13054-016-1396-0

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© The Author(s). 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. 7 — Mean difference in the length of ICU stay relative to strategy A based on Bayesian network meta-analysis. CI credible interval for Bayesian network meta-analysis. The mean difference (MD) was estimated from a Bayesian random-effects model of the lengths of ICU stay in the network. ^*The range of 95 % confidence intervals does not contain zero. MD <0 favors strategy A. PEEP positive end-expiratory pressure, VT tidal volume