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. 2021 Jul 1;10(13):2969. doi: 10.3390/jcm10132969

Table 4.

Ventilation and oxygenation variables for repeated prone positioning.

First Prone Reprone
Supine Initial Last Post p Value Supine Initial Last Post p Value
FiO2 0.65 0.69 0.56 0.57 0.057 0.59 0.61 0.57 0.60 0.872
PEEP (cmH2O) 13 14 14 14 0.774 13 14 14 14 0.125
Pplat (cmH2O) 25.7 25.7 25.3 24.6 0.041 24.5 24.5 25.5 25.5 0.018
Cstat (mL/cmH2O) 31 33 35 39 0.179 38 38 35 38 0.199
PaO2/FiO2 (mmHg) 141 188 208 179 0.011 139 195 199 171 0.004

Reprone, the next prone session; FiO2, fraction of inspired oxygen; PEEP, positive end-expiratory pressure; Pplat, plateau pressure; ΔP, driving pressure; Cstat, static compliance.