Table. 1—

Characteristics of 27 treated and 15 control chronic obstructive pulmonary disease patients

Age yr66±969±70.25
Sex female/male4/232/130.89
BMI kg·m−223±423±40.88
Smoking history pack-yrs67±2858±160.17
SABD as needed n27151.00
SABD q.i.d. n20100.61
LABD n17100.85
ICS n1590.78
THEO n23140.44
FEV1 % pred30±835±90.14
FVC % pred73±1479±170.20
6MWD m329±103380±940.12
BDI points3.5±13.3±10.45
  • Values are expressed as mean±sd unless otherwise stated. NIMV: noninvasive mechanical ventilation; s-NIMV: sham-NIMV; BMI: body mass index; SABD: short-acting bronchodilator; LABD: long-acting bronchodilator; ICS: inhaled corticosteroid; THEO: theophylline; FEV1: forced expiratory volume in one second; FVC: forced vital capacity; 6MWD: 6-min walking distance; BDI: baseline dyspnoea index.