Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

10 questions · 10 findings · 2 reviews

No studies found 0 · 0%GRADE not reported 3 · 30%Very low 0 · 0%Low 5 · 50%Moderate 2 · 20%High 0 · 0%

Intervention not reported

Quality of life (dyspnoea) Measured on the CRQ, the output is a number from 0 to 7, where higher on the scale is better. MID is 0.5. · adults with COPD who had exertional dyspnoea but did not fulfil the criteria for long‐term oxygen treatment

The intervention probably leads to higher quality of life (dyspnoea) Measured on the CRQ, the output is a… (moderate certainty).

1 finding from 1 review