Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,511 questions · 2,668 findings · 290 reviews

No studies found 743 · 27.8%GRADE not reported 329 · 12.3%Very low 775 · 29%Low 484 · 18.1%Moderate 279 · 10.5%High 58 · 2.2%

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

Arch length (dental arch dimensional change) · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

Surgical removal (extraction) of asymptomatic disease-free impacted… may leads to lower arch length (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

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

Surgery vs preoperative pharmacological therapy and surgery

Non‐surgical therapy for recurrent or persistent diseaseRadiation therapy and/or pharmacologic therapy for recurrent or persistent disease · adults with growth‐hormone secreting pituitary adenomas

It is very uncertain whether surgery alone changes non‐surgical therapy for recurrent or persistent diseaseRadiation… compared with preoperative pharmacological therapy and surgery (very low certainty).

1 finding from 1 review