Table 1 Overall subject characteristics

Number

30

68

NA

Sex (F/M)

17/13

33/35

0.515

Age (y)

42.93 ± 16.78

41.62 ± 11.19

0.6486

BMI (kg/m²)

23.61 ± 3.40

23.15 ± 3.74

0.2883

Lung function

 FEV₁ (L)

3.36 ± 0.67

2.57 ± 0.87

 < 0.0001

 FEV₁% predicted

104.30 ± 10.37

84.50 ± 21.57

 < 0.0001

 FVC (L)

4.09 ± 0.82

3.74 ± 1.00

0.0806

 FVC % predicted

105.80 ± 10.56

103.40 ± 17.22

0.4088

 FEV1/FVC (%)

82.83 ± 5.82

67.97 ± 12.49

 < 0.0001