From: PROtective Ventilation with a low versus high Inspiratory Oxygen fraction (PROVIO) and its effects on postoperative pulmonary complications: protocol for a randomized controlled trial
Low-FiO2 group
High-FiO2 group
FiO2
0.30
0.80
VT
8 ml/kg
PEEP
6–8 cmH2O
I:E
1:2
RR
Adjusted according to ETCO2 (35–45 mmHg)
Pmax
30 cmH2O