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Table 1 Baseline characteristics of the trial participants

From: Speech-guided breathing retraining in asthma: a randomised controlled crossover trial in real-life outpatient settings

Characteristics ATS/waiting
(n = 32)
Waiting/ATS
(n = 24)
Total
(n = 56)
Age, years, median (IQR) 50 (42–62) 49 (40–60) 49 (42–61)
Female, no. (%) 21 (66) 17 (71) 38 (68)
Body mass index, kg/m2, median (IQR) 24 (22–26) 22 (20–25) 23 (21–25)
Asthma Control Test,* median (IQR) 18 (14–22) 18 (15–21) 18 (15–22)
Asthma Quality of Life Questionnaire, median (IQR) 4.5 (3.6–5.3) 4.7 (3.8–5.2) 4.6 (3.7–5.2)
Lung function, median (IQR)
 FEV1, L 2.72 (2.02–3.38) 2.43 (2.02–3.05) 2.68 (2.03–3.20)
 FEV1, % 88 (72–105) 85 (70–102) 85 (71–103)
 FVC, L 3.54 (3.15–4.84) 3.43 (2.87–4.45) 3.52 (3.10–4.78)
 FEV1/FVC, % 69 (63–77) 69 (62–75) 69 (62–76)
  1. ATS Anthroposophic Therapeutic Speech, FEV1 forced expiratory volume in 1 s, FVC forced expiratory vital capacity, IQR interquartile range
  2. *Range 5–25, higher scores indicate less severe disease, score >19 indicates well-controlled asthma
  3. Range 1–7, higher scores indicate less impairment