Baseline characteristics of study subjects
| Breathing retraining (n=17) | Control (n=16) | |
|---|---|---|
| Mean (SD) age (years) | 48.8 (10.9) | 48.9 (15.6) |
| Female (%) | 13 (76.5%) | 13 (81.3%) |
| Male (%) | 4 (23.5%) | 3 (18.7%) |
| “Objective” asthma diagnosis | 16 (94.1%) | 13 (81.2%) |
| Mean (SD) Nijmegen score | 28.82 (6.56) | 29.13 (8.46) |
| Mean (SD) AQLQ overall score | 4.60 (1.01) | 4.57 (1.27) |
| Mean (SD) AQLQ symptoms | 4.68 (1.06) | 4.60 (1.35) |
| Mean (SD) AQLQ activities | 4.57 (1.01) | 4.56 (1.27) |
| Mean (SD) AQLQ emotions | 4.74 (1.41) | 4.59 (1.73) |
| Mean (SD) AQLQ environment | 4.37 (1.21) | 4.64 (1.34) |
| Median (range) daily inhaled steroid dosage as μg/beclomethasone equivalent | 400 (0–2000) | 800 (0–2000) |
| Mean rescue bronchodilator inhalers issued in 6 months before randomisation | 1.4 (1.3) | 1.7 (3.1) |