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. 2020 Jan 7;21:8. doi: 10.1186/s12931-019-1267-8

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© The Author(s). 2020

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 — Comparisons poractant-α vs bovine surfactants for NICU length of stay. The panel (855 patients) illustrates meta-analyses of any dose of poractant-α vs bovine surfactants with random-effects model. Poractant-α and bovine surfactants are considered as treatment and control arm, respectively; mean differences (95%CI) in NICU stay are reported (in days). Squares and horizontal lines represent mean differences in NICU stay (expressed in days) and their 95%CI, respectively. The location of the diamond and its width represent the pooled estimated effect size and its 95%CI, respectively