evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

111 questions · 112 findings · 23 reviews

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 38 · 33.9%GRADE not reported 6 · 5.4%Very low 35 · 31.3%Low 16 · 14.3%Moderate 15 · 13.4%High 2 · 1.8%

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

Cataract Surgical Coverage · 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

Surgical outcome (visual acuity in the operated eye) · 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

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

Combined surgery vs phacoemulsification alone

Proportion who received intervention for surgical complications within one year Number of participants · patients with eyes with cataract and glaucoma

Combined surgery showed no clear difference in proportion who received intervention for surgical complications… compared with phacoemulsification alone (low certainty).

1 finding from 1 review

Surgical removal of the lesion (surgical excision, laser surgery, cryotherapy) vs Placebo or no treatment

Outcome not reported · People with a diagnosis of oral leukoplakia

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    'We did not identify any RCTs that compared surgical treatments with placebo or no treatment.' Three surgical RCTs were found (Chee 2013, Lopez-Jornet 2013, Schwarz 2005) but all excluded because they did not include a…
    Studies not reported
    No studies found

Prophylactic platelet transfusion prior to surgery vs no prophylactic platelet transfusion prior to surgery

Number of participants with major bleeding within 7 days of surgery (surgical site bleeding requiring a second intervention or reoperation or surgical site bleeding that causes a haematoma or haemarthrosis of sufficient size to delay mobilisation ... · people with a low platelet count

It is very uncertain whether prophylactic platelet transfusion prior to surgery changes number of participants with major bleeding within 7 days of surgery… compared with no prophylactic platelet transfusion prior to surgery (very low certainty).

1 finding from 1 review