Total observations (n = 30,415) | Non-obese (n = 19,566) | Obese (n = 10,849) | P value | |
---|---|---|---|---|
Cerebral parameters | ||||
ICP (mmHg) | 9 (5, 14) | 9 (5, 13) | 10 (6, 15) | < 0.001 |
CPP (mmHg) | 76 (68, 85) | 76 (68, 85) | 76 (67, 85) | 0.006 |
Ventilation parameters | ||||
PEEP (cmH2O) | 5 (5, 8) | 5 (5, 8) | 5 (5, 8) | < 0.001 |
Plateau Pressure (cmH2O) | 18 (15, 20) | 17 (15, 19) | 19 (16, 22) | < 0.001 |
Tidal Volume (ml) | 500 (450, 550) | 500 (450, 550) | 520 (475, 580) | < 0.001 |
Tidal Volume/PBW (ml/kg) | 7.3 (6.5, 8.1) | 7.3 (6.5, 8.0) | 7.6 (6.8, 8.4) | < 0.001 |
Respiratory Rate (bpm) | 18 (17, 21) | 18 (16, 21) | 18 (17, 21) | < 0.001 |
FiO2 | 40 (40, 49) | 40 (40, 40) | 40 (40, 50) | < 0.001 |
Laboratory parameters | ||||
PaCO2 (mmHg) | 36 (32, 40) | 36 (31, 39) | 37 (33, 41) | < 0.001 |
PaO2 (mmHg) | 149 (104, 208) | 159 (114,216) | 137 (95, 172) | < 0.001 |
pH | 7.39 (7.33, 7.43) | 7.39 (7.33, 7.43) | 7.39 (7.32, 7.43) | 0.075 |
PaO2/FiO2 | 344 (212, 421) | 357 (242, 421) | 308 (180, 413) | < 0.001 |
Hemodynamic parameters | ||||
Heart Rate (bpm) | 83 (72, 95) | 84 (72, 97) | 82 (72, 93) | < 0.001 |
Systolic BP (mmHg) | 132 (122, 145) | 131 (121, 144) | 135 (124, 147) | < 0.001 |
Diastolic BP (mmHg) | 66 (58, 72) | 65 (57, 72) | 66 (59, 73) | < 0.001 |
Mean arterial BP (mmHg) | 86 (79, 94) | 86 (78, 93) | 87 (79, 95) | < 0.001 |