Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Shortness of breath
[114] RCT	23 people In review [112]	Mean change in dyspnoea component of Chronic Respiratory Disease Questionnaire (CRQ) score (range 5–35) 6 with physical activity 0 with control	Significance not reported for COPD subgroup
[115] RCT	38 people In review [112]	Mean change in Borg dyspnoea scale after walking test 0.4 with physical activity 0.9 with control	Difference –0.5 95% CI –1.5 to +0.6		Not significant