Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,801 questions · 4,079 findings · 473 reviews

No studies found 669 · 16.4%GRADE not reported 852 · 20.9%Very low 738 · 18.1%Low 903 · 22.1%Moderate 716 · 17.6%High 201 · 4.9%

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