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. 2020 Feb 3;10:12. doi: 10.1186/s13613-020-0633-5

Fig. 5.

Fig. 5

Electrical impedance tomography (EIT)-estimated optimal positive end-expiratory pressure (PEEP) before and at the end of a prone positioning (PP) session, for patients with an increase of the static compliance by ≥ 3 mL/cmH2O (PCG−) (red) and patients with static compliance < 3 mL/cmH2O, respectively (PCG−) (green). Whiskers plots report the median = central horizontal line; interquartile range = bottom and top box limits and 90% percentile = T bars, • = outliers. *P < 0.05 vs. baseline