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. 2022 Jul;37(7):883–889. doi: 10.1177/08850666221081757

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© The Author(s) 2022

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Figure 1. — Graphical representation of the percent change in PaO2/FiO2 for each prone episode's response (change prior to end of prone episode) and sustained response (change after resuming supine position). The median percent change (IQR) for the prone and sustained prone response was 18% (-6 - 61) and 19% (-11 - 62), respectively.