Table 2

Baseline characteristics of the two treatment groups

Self-treatment(n = 70)Control(n = 72)
Mean (SD) age (years)63.1 (7.9)63.7 (8.0)
Male (%)57.161.1
Smokers (%)32.933.3
Mean (SD) MRC dyspnoea scale2.31 (1.06)2.33 (1.14)
Mean (SD) lung function post bronchodilation
    FEV1 (l)1.44 (0.56)1.41 (0.50)
    FEV1 (% predicted)50.7 (16.3)49.6 (15.3)
    VC (l)3.64 (1.08)3.66 (0.85)
Inhaled corticosteroid use (%)88.684.7
  • FEV1, forced expiratory volume in 1 s; MRC, Medical Research Council; VC, vital capacity.