Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

347 questions · 355 findings · 51 reviews

No studies found 135 · 38%GRADE not reported 45 · 12.7%Very low 90 · 25.4%Low 63 · 17.7%Moderate 15 · 4.2%High 7 · 2%

Surgical removal (extraction) of asymptomatic disease-free impacted wisdom teeth vs Retention (conservative management) of asymptomatic disease-free impacted wisdom teeth

Little's irregularity index (dimensional changes in the dental arch) · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

Surgical removal (extraction) of asymptomatic disease-free impacted… showed no clear difference in little's irregularity index (dimensional changes in the dental arch) compared with retention (conservative management) of asymptomatic disease-free… (low certainty).

1 finding from 1 review

Surgical removal (extraction) of asymptomatic disease-free impacted wisdom teeth vs Retention (conservative management) of asymptomatic disease-free impacted wisdom teeth

Costs (days off work/study; direct costs of retention or removal) · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

The review found no eligible studies for this question.

1 finding from 1 review

Surgical removal (extraction) of asymptomatic disease-free impacted wisdom teeth vs Retention (conservative management) of asymptomatic disease-free impacted wisdom teeth

Health‐related quality of life · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

The review found no eligible studies for this question.

1 finding from 1 review

Surgical removal (extraction) of asymptomatic disease-free impacted wisdom teeth vs Retention (conservative management) of asymptomatic disease-free impacted wisdom teeth

Intercanine width · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

Surgical removal (extraction) of asymptomatic disease-free impacted… showed no clear difference in intercanine width (dimensional changes in the dental arch) compared with retention (conservative management) of asymptomatic disease-free… (low certainty).

1 finding from 1 review

Information video and counselling to improve access to cataract surgical services vs usual care

Service utilisation: uptake of referral · people with vision impairment caused by cataract

Information video and counselling to improve access to cataract… may leads to higher service utilisation: uptake of referral compared with standard care (low certainty).

1 finding from 1 review

Information video and counselling to improve access to cataract surgical services vs usual care

Service utilisation: uptake of surgery · people with vision impairment caused by cataract

Information video and counselling to improve access to cataract… may leads to higher service utilisation: uptake of surgery compared with standard care (low certainty).

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Service utilisation: uptake of referral · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Service utilisation: uptake of surgery · people with vision impairment caused by cataract

Surgery fee waiver with/without transport provision or reimbursement… may leads to higher service utilisation: uptake of surgery compared with standard care (low certainty).

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Change in the prevalence of cataract blindness · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Prevalence of visual impairment due to cataract · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review

Surgical abortion procedures: mid‐level providers vs doctors

Failure/incomplete abortion (observational studies) Provider or supervisor assessment · Patients requesting abortion procedures

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

1 finding from 1 review

Surgical abortion procedures: mid‐level providers vs doctors

Complications (observational studies) Provider or supervisor assessment · Patients requesting abortion procedures

It is very uncertain whether surgical abortion procedures: mid‐level providers changes complications (observational studies) Provider or supervisor… compared with doctors (very low certainty).

1 finding from 1 review