Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,411 questions · 1,474 findings · 170 reviews

No studies found 336 · 22.8%GRADE not reported 97 · 6.6%Very low 419 · 28.4%Low 395 · 26.8%Moderate 188 · 12.8%High 39 · 2.6%

Medical abortion procedures: mid‐level providers vs doctors

Failure/incomplete abortion (observational studies) Verifier assessment · Patients requesting abortion procedures

It is very uncertain whether medical abortion procedures: mid‐level providers changes failure/incomplete abortion (observational studies) Verifier… compared with doctors (very low certainty).

1 finding from 1 review

One active intervention (surgical, medical, or psychological) vs A different active intervention (direct head-to-head comparison)

Outcome not reported · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

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

Exacerbations: number of people experiencing moderate or severe exacerbations · treatment for asthma in adults and children with asthma and GORD

Medical or surgical intervention, or both, for gastro‐oesophageal… showed no clear difference in number of participants with moderate/severe acute exacerbations… compared with nil intervention, delayed intervention control, or placebo (low certainty).

1 finding from 1 review