Self-treatment(n = 70) | Control(n = 72) | |
Mean (SD) age (years) | 63.1 (7.9) | 63.7 (8.0) |
Male (%) | 57.1 | 61.1 |
Smokers (%) | 32.9 | 33.3 |
Mean (SD) MRC dyspnoea scale | 2.31 (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 (%) | 88.6 | 84.7 |
FEV1, forced expiratory volume in 1 s; MRC, Medical Research Council; VC, vital capacity.