Table 2 Summary

Patients number (male/female)

99 (37 %) (51/48)

102 (38 %) (62/40)

68 (25 %) (36/32)

–

Age

11.13

11.23

10.97

p > 0.05

FVC%

94.53

94.06

94.74

p > 0.05

FEV1%

95.29

92.24

91.57

p > 0.05

FEV1/FVC

88.24

85.68

85.41

P < 0.05 (p = 0.0186)

FEF25–75 %

94.82

85.95

86.65

P < 0.05 (p = 0.0163)

eCO/ppm/

3.21

4.88

5.55

P < 0.05 (p < 0.0001)