Table 1 Anthropometric spirometric characteristics of the studied subjects [mean ± SD and (minimal–maximal values)]

Age (years)

49.7 ± 13.5

(27–78)

49.6 ± 14.5

(15–78)

46.1 ± 12.8

(21–68)

ns

Body mass (kg)

59.2 ± 68.7

(43.6–77.0)

60.8 ± 11.9

(34.6–88.4)

59.9 ± 13.1

(36.0–88.4)

ns

Height (m)

1.6 ± 5.3

(1.5–1.7)

1.6 ± 3.4

(1.5–1.7)

1.6 ± 6.3

(1.5–1.8)

ns

BMI (kg/m²)

23.5 ± 2.9

(18.7–28.6)

24.8 ± 3.9

(16.2–32.5)

24.1 ± 4.3

(16.0–32.8)

ns

Male/female

1/29

1/21

1/29

–

FVC (L)

3.4 ± 0.7

2.8 ± 0.7

2.0 ± 0.5

1–2–3–1

FVC (%)

111.9 ± 18.5

96.7 ± 12.5

64.3 ± 11.6

1–2–3–1

FEV₁ (L)

2.8 ± 0.6

2.4 ± 0.6

1.7 ± 0.5

1–2–3–1

FEV₁ (%)

112.5 ± 18.2

97.1 ± 11.6

66.4 ± 12.1

1–2–3–1

FEV₁/FVC

92.5 ± 10.4

83.4 ± 4.0

86.6 ± 5.5

1–2.3–1

FEF_25–75% (L)

3.6 ± 1.0

3.0 ± 0.9

2.5 ± 0.9

1.2–3–1

FEF_25–75% (%)

117.4 ± 37.4

112.9 ± 27.2

88.6 ± 28.4

1.2–3–1

FEF/FVC

98.6 ± 28.1

110.0 ± 23.4

134.4 ± 47.8

1.2.3–1