Men (N = 530)

Women (N = 478)

p-value

Mean ± SD

Mean ± SD

Age (years)

68.4 ± 7.0

67.6 ± 7.2

0.08

Height (cm)

166.8 ± 5.9

153.6 ± 6.0

<0.05

Weight (kg)

65.6 ± 9.0

58.6 ± 9.2

<0.05

BMI (kg/m²)

23.5 ± 2.7

24.8 ± 3.6

<0.05

FVC (L)

3.60 ± 0.68

2.48 ± 0.46

<0.05

FEV1 (L)

2.60 ± 0.63

1.96 ± 0.40

<0.05

FEV1/FVC (%)

71.9 ± 10.3

78.9 ± 6.8

<0.05

predFVC (%)

95.6 ± 16.3

94.1 ± 17.1

0.15

predFEV1 (%)

99.8 ± 22.1

102.6 ± 22.5

0.05

Smoking (PY)

14.4 ± 20.8

0.6 ± 4.0

<0.05

Smoker (%)

46.4% (246/530)

3.1% (15/478)

<0.05

Smoking of smoker (PY)

32.7 ± 19.6

19.0 ± 12.8

<0.05

FEV1/FVC < 70 (%)

32.6% (173/530)

7.3% (35/478)

<0.05