Table 1

Baseline characteristics of the participants

CharacteristicsParticipants (n=70)
Age, years
BMI, kg/m224.8±4.8
Health condition
 COPD, N (%)26 (37)
 Heart disease, N (%)20 (29)
Surgery procedure
 Wedge/lobectomy/pneumonectomy, n/n/n2/56/12
 Thoracotomy/VATS, n/n59/11
Pulmonary function and physical characteristics
 FEV1, % of predicted88.4±22.4
 DLCO, % of predicted80.6±20.9
 V̇O2peak, % of predicted80.6±16.4
 V̇O2peak, mL/kg/min23.9±5.8
  • Data are presented as mean±SD or No. (%)

  • BMI, body mass index, calculated as body mass in kilogram divided by height in metres squared; COPD, chronic obstructive pulmonary disease; Def COPD, FEV1/FVC<70% and FEV1<80% of predicted25; DLCO, carbon monoxide lung diffusion capacity; FEV1, forced expiratory volume after 1 s; VATS, video assisted thoracic surgery; V̇O2peak, peak oxygen uptake.