| Low PEEP | High PEEP | p value |
---|---|---|---|
pH | 7.37 (7.32; 7.44) | 7.36 (7.30; 7.41) | 0.014 |
PaO2/FiO2 | 135 (106; 175) | 174 (122; 220) | < 0.0001 |
SaO2 (%) | 95 (93; 97) | 97 (95; 99) | 0.0001 |
PaCO2 (mm Hg) | 41 (36; 46) | 42 (36; 48) | 0.1 |
PEEPtot (cm H2O) | 6 (5; 6) | 15 (13; 17) | < 0.0001 |
Pplat (cm H2O) | 18 (16; 22) | 29 (29; 31) | < 0.0001 |
Cstat (ml/cm H2O) | 33.3 (25.0; 39.9) | 28.6 (23.9; 33.8) | 0.003 |
Clin (ml/cm H2O) | 36.0 (26.0; 42.7) | 30.0 (24.8; 34.5) | < 0.0001 |
EELV (ml) | 908 (693; 1,180) | 1573 (1,025; 1,905) | < 0.0001 |
PEEP-volume (ml) | 186 (120; 261) | 815 (473; 1,122) | < 0.0001 |