Table 1—

Anthropometric characteristics and pulmonary function tests in the controls and in the patients with chronic obstructive pulmonary disease(COPD)

CharacteristicsControlsCOPD
Subjects n1319
Male/female n11/28/11
Age yrs64±358±1
Weight kg71±358±2**
BMI kg·m-225±121±1**
FEV1 L2.67±0.210.71±0.05#
FEV1 % pred98±526±2#
FEV1/FVC %76±233±2#
TLC % pred95±6126±5***
RV % pred107±9227±12
DL,CO % pred83±529±2#
KCO % pred105±644±3#
  • Data are presented as mean±sem, unless otherwise stated. BMI: body mass index; FEV1: forced expiratory volume in 1 s; % pred: % predicted; FVC: forced vital capacity; TLC: total lung capacity; RV: residual volume; DL,CO: diffusing capacity of the lung for carbon monoxide; KCO: DL,CO per unit of alveolar volume. #: p<0.0001; : p<0.00005; **: p<0.01; ***: p<0.001.