| 组别 | n | 肺活量(L) | 潮气量(ml) | 用力呼吸量(%) | 气道峰压(cm H2O) |
| 观察组 | 60 | 3.67 ± 0.38 | 570.23 ± 25.36 | 85.69 ± 5.63 | 23.56 ± 2.31 |
| 对照组 | 60 | 3.06 ± 0.25 | 430.15 ± 24.25 | 62.32 ± 4.32 | 29.54 ± 3.64 |
| t | 9.36 | ||||
| P值 | 0.0001 | ||||