Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

465 questions · 497 findings · 60 reviews · Headline outcomes only

No studies found 171 · 34.4%GRADE not reported 9 · 1.8%Very low 135 · 27.2%Low 112 · 22.5%Moderate 58 · 11.7%High 12 · 2.4%

Surgery vs splint

Clinical improvement ‐ Long‐term improvement: > 3 months · carpal tunnel syndrome

Surgery probably leads to higher clinical improvement ‐ Long‐term improvement: > 3 months compared with splint (moderate certainty).

1 finding from 1 review

Surgery vs botulinum neurotoxin injections

Treatment success: improvement in the angle of strabismus at 6 months · children with infantile esotropia

It is very uncertain whether surgery changes treatment success: improvement in the angle of strabismus at 6 months compared with botulinum neurotoxin injections (very low certainty).

1 finding from 1 review

Surgery vs no surgery

Proportion of eyes with gain in VA by 0.3 logMAR or greater · people with epiretinal membrane

It is very uncertain whether surgery changes proportion of eyes with gain in VA by 0.3 logMAR or greater compared with no surgery (very low certainty).

1 finding from 1 review

Surgery vs no surgery

Proportion of eyes with loss in VA by 0.3 logMAR or greater · people with epiretinal membrane

Surgery may leads to lower proportion of eyes with loss in VA by 0.3 logMAR or greater compared with no surgery (low certainty).

1 finding from 1 review