Control Group (I) (n = 100)

Study Group (II) (n = 89)

t Value

p Value

FEV1

83.58 ± 7.14

62.12 ± 8.22

19.039

0.001*

FVC

93.69 ± 10.31

58.60 ± 9.62

24.103

0.001*

FEV1/FVC

84.52 ± 6.58

84.63 ± 13.70

−0.069

0.945

PEFR

99.97 ± 8.06

64.85 ± 15.27

19.422

0.001*

FEF25% - 75%

3.59 ± 0.49

3.09 ± 1.03

4.116

0.001*