Table 2.
Intraoperative pulmonary variables during the operation
| Variables | Group | 5 min after intubation | 1 h after pneumoperi-toneum/ skin incision |
2 h after pneumoperi-toneum/ skin incision |
P value | |
|---|---|---|---|---|---|---|
| Group×time | Intergroup | |||||
| Oxygenation index | robot-assisted surgery group | 325.9 ± 96.9 | 329.6 ± 62.3 | 329.5 ± 63.7 | 0.237 | 0.463 |
| general surgery group | 310.9 ± 132.7 | 318.6 ± 69.9 | 297.8 ± 65.7 | |||
|
PaCO2 (mmHg) |
robot-assisted surgery group | 31.5 ± 3.6 | 36.9 ± 4.2 | 37.4 ± 5.7* | <0.001 | 0.150 |
| general surgery group | 32.7 ± 4.0 | 33.1 ± 4.3 | 35.1 ± 4.0 | |||
| Peak airway pressure(mmHg) | robot-assisted surgery group | 16.8 ± 4.5 | 25.0 ± 4.0 | 23.5 ± 4.9* | <0.001 | <0.001 |
| general surgery group | 15.3 ± 2.7 | 16.4 ± 2.6 | 17.1 ± 2.4 | |||
| Lung compliance (ml/mmH2O) | robot-assisted surgery group | 47.2 ± 14.2 | 26.7 ± 8.5 | 28.5 ± 9.7* | <0.001 | <0.001 |
| general surgery group | 38.4 ± 6.1 | 34.9 ± 5.2 | 34.6 ± 4.9 | |||
PaCO2: Partial Pressure of Carbon Dioxide; *: p-value < 0.05