Test | Exposure | MEAN ± STD(L/S) | Pr > Chi-Square |
---|
PIF | sham | 1.70 ± 0.67 | 0.7393 |
 | smoke | 1.76 ± 0.39 |  |
PEF | sham | 7.09 ± 0.39 | 0.9558 |
 | smoke | 7.07 ± 0.24 |  |
- The data were expressed as means ± STD and analyzed by using the Mann-Whitney U-test. Statistical significance was accepted at P < 0.05.PIF: peak inspiratory flow; PEF: peak expiratory flow. n = 10–15/group.