Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,973 questions · 3,072 findings · 410 reviews · Headline outcomes only

No studies found 559 · 18.2%GRADE not reported 143 · 4.7%Very low 654 · 21.3%Low 833 · 27.1%Moderate 683 · 22.2%High 200 · 6.5%

Intervention not reported

Health‐related quality of life (respiratory specific) St George's Respiratory Questionnaire (SGRQ; total score) Scale from 0‐100 Lower value post intervention is favourable, indicating improvement in health‐related quality of life · people with stable COPD
1 finding from 1 review

Intervention not reported

Health‐related quality of life (generic) SF‐36 (Physical Component Summary (PCS) score) Scale from 0‐100 Higher value post intervention is favourable, indicating improvement in health‐related quality of life · people with stable COPD
1 finding from 1 review

Intervention not reported

Health‐related quality of life (generic) SF‐36 (Mental Component Sumary (MCS) score) Scale from 0‐100 Higher value post intervention is favourable, indicating improvement in health‐related quality of life · people with stable COPD
1 finding from 1 review

Intervention not reported

Dyspnoea Basal Dyspnea Index (BDI) (score) Scale from 0‐12 Higher value post intervention is favourable, indicating improvement in dyspnoea · people with stable COPD
1 finding from 1 review