Table 1– Subject characteristics
Demographic/anthropometric
 Age years64±8
 Body mass index kg·m−225.7±3.9
 Fat free mass index kg·m−218.7±2.7
Pulmonary function
 FEV1 L (% pred)1.07±0.36 (35.2±10.1)
 FVC L (% pred)2.41±0.58 (64.7±15.4)
 IC L (% pred)2.09±0.38 (69.2±12.0)
 TLC L (% pred)7.14±1.14 (110.8±13.7)
 RV % pred198.7±56.5
 IC/TLC0.30±0.06
Arterial blood gases
PaO2 mmHg56.2±7.5
PaCO2 mmHg43.4±7.6
SaO2%88.1±4.9
  • Data are presented as mean±sd. n = 24. FEV1: forced expiratory volume in 1 s; % pred: % predicted; FVC: forced vital capacity; IC: inspiratory capacity; TLC: total lung capacity; RV: residual volume; PaO2: arterial oxygen tension; PaCO2: arterial carbon dioxide tension; SaO2: arterial oxygen saturation.