| Before | After | Difference between before and after (95% CI)a | P value |
---|---|---|---|---|
PEEP, cm H2O | 15.6 ± 1.7 | 11.1 ± 1.9 | 4.5 (4.0 to 5.0) | < 0.001 |
PaO2/FiO2, mm Hg | 115.8 ± 30.5 | 121.9 ± 26.3 | − 6.1 (− 13.8 to 1.6) | 0.11 |
PaCO2, mm Hg | 49.7 ± 10.4 | 42.9 ± 5.6 | 6.8 (3.4 to 10.1) | 0.001 |
Cst, ml/cm H2O | 60.0 ± 8.3 | 63.2 ± 7.4 | − 3.2 (− 4.9 to − 1.5) | 0.001 |
Noradrenaline, μg/kg/min | 0.21 ± 0.12 | 0.08 ± 0.08 | 0.13 (0.09 to 0.16) | < 0.001 |
MAP, mm Hg | 67.2 ± 6.1 | 69.1 ± 2.6 | − 1.9 (− 4.4 to 0.5) | 0.11 |
Fluid balance, ml | 1980 ± 764b | 942 ± 331c | 1039 (760 to 1317) | < 0.001 |