Table 1—

Demographic and anthropometric data for all healthy subjects and chronic obstructive pulmonary disease(COPD) patients

Subjects n10030
Age yrs40.0±17.466.6±7.82<0.001
Height m1.65±0.081.67±0.080.29
Weight kg62.9±12.163.9±13.90.75
BMI kg·m−223.0±3.2623.0±4.390.95
Male %
FEV1 % pred104.5±14.334.8±13.9
VC % pred106.4±13.483.0±18.6
  • Data are presented as mean±sd, unless otherwise stated. BMI: body mass index; FEV1: forced expiratory volume in one second; % pred: % predicted; VC: vital capacity.