Subjects characteristics

<p>Definition of abbreviations: BMI = Body mass index; FEV₁ = Forced expiratory volume in 1 second; FVC = Forced vital capacity; DLCO = Diffusing capacity of carbon monoxide; MTCSA = Mid-thigh cross-sectional area; CSA = Cross-sectional area. Values with different lower case letter are significantly different (p<0.05).</p>*<p>p<0.001;</p>†<p>p<0.01.