肺功能指标 | 观察组(n = 80) | 对照组(n = 80) | t | P |
FEV1/Pred (%) | 52.87 ± 8.19 | 86.25 ± 7.58 | 26.754 | 0.000 |
FEV1/FVC (%) | 52.33 ± 7.52 | 81.74 ± 6.08 | 27.202 | 0.000 |
PEF/Pred (%) | 40.53 ± 9.65 | 55.92 ± 10.13 | 9.839 | 0.000 |