Table 1

Patients' characteristics

Sex F/M7/22
Age yrs64±5
Height cm174±9
BMI kg·m−223.5±5.2
Smoker ex/current15/14
Pack yrs68±28
IVC L3.48±0.78
FEV1 L1.27±0.33
FEV1 % pred42±4
FIV1 L3.27±0.72
PEF L·s−13.95±1.14
PIF L·s−14.93±1.61
sRawex cmH2O·s−14.61±2.48
sRawin cmH2O·s−12.44±1.02
ITGV % pred154±25
RV L4.13±1.03
TLC L7.46±1.42
TL,CO % pred52.7±18.7

  • Data are presented as mean±sd unless otherwise stated

  • F: female

  • M: male

  • BMI: body mass index

  • IVC: inspired vital capacity

  • FEV1: forced expiratory volume in one second

  • % pred: % predicted

  • FIV1: forced inspiratory volume in one second

  • PEF: peak expiratory flow

  • PIF: peak inspiratory flow

  • sRawex: specific airway resistance during expiration

  • sRawin: specific airway resistance during inspiration

  • ITGV: intrathoracic gas volume

  • RV: residual volume

  • TLC: total lung capacity

  • TL,CO: transfer factor of the lung for carbon monoxide