Table 1—

Baseline patient characteristics

MalesFemales
Subjects n5332
Age yrs67.7±8.465.6±8.7
Height m1.72±0.071.59±0.06
Weight kg70.2±13.060.2±10.5
BMI kg·M−223.7±3.923.7±3.3
FEV1 L0.91±0.380.84±0.36
FVC L2.56±0.791.92±0.53
FEV1 % pred30.9±12.840.6±13.7

  • Data are presented as mean±sd

  • BMI: body mass index

  • FEV1: forced expiratory volume in one second

  • FVC: forced vital capacity

  • % pred: percentage of the predicted value