Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,736 questions · 15,265 findings · 1,163 reviews · Headline outcomes only

No studies found 3,871 · 25.4%GRADE not reported 810 · 5.3%Very low 4,242 · 27.8%Low 3,879 · 25.4%Moderate 1,999 · 13.1%High 464 · 3%

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Medical or surgical intervention, or both, for gastro‐oesophageal reflux disease vs nil intervention, delayed intervention control, or placebo

Healthcare utilisation ‐ not measured · treatment for asthma in adults and children with asthma and GORD

The review found no eligible studies for this question.

1 finding from 1 review

Education vs control (e.g. usual activities)

Number of people who experienced one or more falls · Older people living in the community

It is very uncertain whether education interventions changes number of people who experienced 1 or more falls compared with control (e.g. usual care) (very low certainty).

1 finding from 1 review

Education vs control (e.g. usual activities)

Number of people sustaining one or more fall‐related fractures · Older people living in the community

Education interventions showed no clear difference in number of people who experienced 1 or more fall‐related fractures compared with control (e.g. usual care) (low certainty).

1 finding from 1 review

An intervention in which the focus is on work‐related risk factors on an individual level vs no intervention/no stress‐reduction interventionfor stress reduction

Stress symptoms ( · healthcare workers
3 findings from 1 review