Table 1 Baseline characteristics and respiratory function parameters obtained from spirometry

Sex (male), n (%)

385 (49.55%)

Height (cm)

160.93 ± 9.04

Body weight (kg)

61.66 ± 28.79

Body mass index

23.68 ± 9.66

FEV₁ (L)

3.26 ± 13.42

2.42 (2.00–2.90)

VC (L)

3.25 ± 0.82

3.17 (2.68–3.79)

FVC (L)

3.21 ± 0.82

3.15 (2.63–3.74)

FEV₁/FVC (%)

77.22 ± 9.63

77.78 (71.40–83.34)

MMF (L/s)

2.27 ± 1.15

2.10 (1.40–3.00)

MEF₅₀ (L/s)

3.01 ± 1.33

2.88 (2.00–3.90)

MEF₂₅ (L/s)

0.92 ± 0.66

0.74 (0.46–1.23)

MEF₅₀/MEF₂₅

3.96 ± 1.57

3.75 (2.88–4.74)

RC_EXP (s)

0.48 ± 0.38

0.40 (0.31–0.53)