Exercise capacity: 6MWT | Exercise + breathing techniques | WMD −41.06 (−131.70–49.58) |
Dyspnoea symptoms: modified Borg scale | Breathing techniques | WMD 1.90 (0.53–3.27) |
Health-related quality of life: SGRQ | Exercise + breathing techniques | WMD 14.64 (8.73–20.54) |
Length of hospitalisation: number of days | Breathing techniques | ES 0.15 (−0.28–0.57) |