Table 4.
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.