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What do systematic reviews say?

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Evidence found and GRADE certainty

4,749 questions · 14,261 findings · 832 reviews

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No studies found 3,655 · 25.6%GRADE not reported 2,111 · 14.8%Very low 3,646 · 25.6%Low 3,028 · 21.2%Moderate 1,501 · 10.5%High 320 · 2.2%

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Multi‐component intervention vs control

Exacerbations: number of people experiencing moderate or severe exacerbations · COPD

It is very uncertain whether multi‐component intervention changes exacerbations: number of people experiencing moderate or severe… compared with control (very low certainty).

1 finding from 1 review

Intervention vs usual care

Exacerbations (number of people experiencing ≥ 1 exacerbations) · COPD and at least one other long‐term condition

It is very uncertain whether intervention changes exacerbations ‐ number of people experiencing one or more  compared with usual care (very low certainty).

1 finding from 1 review

Summary of Findings Table ‐ Large retro‐equatorial recession of horizontal rectus muscle of 9 mm on the medial rectus and 12 mm on the lateral rectus vs simple tenotomy and resuturing of the 4 horizontal rectus muscles

Change in head posture ‐ not reported · infantile nystagmus syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Summary of Findings Table ‐ Large retro‐equatorial recession of horizontal rectus muscle of 9 mm on the medial rectus and 12 mm on the lateral rectus vs simple tenotomy and resuturing of the 4 horizontal rectus muscles

Change in visual recognition times ‐ not reported · infantile nystagmus syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Summary of Findings Table ‐ Large retro‐equatorial recession of horizontal rectus muscle of 9 mm on the medial rectus and 12 mm on the lateral rectus vs simple tenotomy and resuturing of the 4 horizontal rectus muscles

Change in proportion of participants with adverse effects with a probable causal link to the treatment · infantile nystagmus syndrome
1 finding from 1 review