Table 1—

Demographic and lung function data on the male and female subjects

Age yrs40.1±10.838.3±11.5
Weight kg82.6±11.866.0±8.8
Height m1.83±0.071.69±0.06
FEV1 % pred112.0±12.7111.2±13.8
TLC % pred108.3±10.8110.3±12.3
VA/TLC %97±594±4
  • Data are presented as mean±sd

  • BMI: body mass index

  • FEV1: forced expiratory volume in one second

  • TLC: total lung capacity

  • VA: alveolar volume

  • VA was obtained using single breath helium dilution and TLC via bodyplethysmography