Table 5.
Comparison of inspiratory and expiratory tidal volumes in the two groups
| Characteristics | Description | Restrictive | Permissive | P |
|---|---|---|---|---|
| Inspiratory tidal volume T1 (mL) | Mean±SD | 479.47±49.96 | 507±81.21 | 0.298 |
| Inspiratory tidal volume T2 (mL) | Mean±SD | 481.77±47.65 | 495.73±66.95 | 0.517 |
| Expiratory tidal volume T1 (mL) | Mean±SD | 292.13±131 | 357±13 | 0.435 |
| Expiratory tidal volume T2 (mL) | Mean±SD | 86.60±110 | 354.47±11 | 0.00 |
T1=Five minutes after tracheal intubation,T2=Immediately before extubation, SD=Standard deviation