Table 3. Airway pressure between PCV and VCV.
| Parameters | Ventilation modes | T1 | T2 | T3 | T4 |
|---|---|---|---|---|---|
| Raw (cmH2O/L/s) | PCV | 15.1±3.6 | 26.0±3.8* | 26.0±3.7△ | 25.8±4.1* |
| VCV | 15.1±3.2 | 29.9±7.3* | 30.2±7.7△ | 29.6±6.7* | |
| Ppeak (cmH2O) | PCV | 16.8±2.8 | 21.4±4.1 | 22.1±4.5* | 21.8±4.6△ |
| VCV | 16.7±3.1 | 24.6±4.5 | 25.0±4.2* | 25.0±4.1△ | |
| Pplat (cmH2O) | PCV | 14.2±2.4 | 19.4±3.2△ | 20.3±3.7* | 20.3±3.5* |
| VCV | 14.1±3.1 | 21.9±3.1△ | 22.6±3.0* | 22.5±3.2* | |
| Pmean (cmH2O) | PCV | 5.8±0.8 | 7.7±1.0 | 7.8±1.0 | 7.9±2.2 |
| VCV | 6.3±1.2 | 8.1±1.2 | 8.2±1.1 | 8.1±1.2 |
*, P<0.05; △, P<0.01 vs. VCV group. PCV, pressure-controlled ventilation; VCV, volume-controlled ventilation; Ppeak, peak inspiratory pressure; Pplat, plateau pressure; Pmean, mean pressure.