Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

557 questions · 600 findings · 75 reviews

No studies found 188 · 31.3%GRADE not reported 62 · 10.3%Very low 154 · 25.7%Low 122 · 20.3%Moderate 62 · 10.3%High 12 · 2%

Surgery vs LNG‐IUS

Satisfaction rate: surgery versus LNG‐IUS Endometrial ablation versus LNG‐IUS At 2 years · women with heavy menstrual bleeding

Surgery showed no clear difference in satisfaction rate: surgery versus LNG‐IUS Endometrial ablation… compared with LNG‐IUS (low certainty).

1 finding from 1 review

Surgery vs LNG‐IUS

Satisfaction rate: surgery versus LNG‐IUS Endometrial ablation versus LNG‐IUS At 1 year · women with heavy menstrual bleeding

Surgery showed no clear difference in satisfaction rate: surgery versus LNG‐IUS Endometrial ablation… compared with LNG‐IUS (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

Surgery vs no surgery

Health related quality of life the Uniscale and the Symptom Distress Scale (SDS); Better indicated by lower values · participants with obesity
1 finding from 1 review

Surgery with excision of failed tape vs surgery without excision of tape

Repeat surgery for urinary incontinence · women with recurrent stress urinary incontinence after failed minimally invasive midurethral tape surgery

The review found no eligible studies for this question.

1 finding from 1 review

Surgery vs preoperative pharmacological therapy and surgery

Surgery for recurrent or persistent disease · adults with growth‐hormone secreting pituitary adenomas

It is very uncertain whether surgery alone changes surgery for recurrent or persistent disease compared with preoperative pharmacological therapy and surgery (very low certainty).

1 finding from 1 review

Surgery vs preoperative pharmacological therapy and surgery

Disease‐related complications Intubation difficulties requiring postponement of surgery · adults with growth‐hormone secreting pituitary adenomas

It is very uncertain whether surgery alone changes disease‐related complications Intubation difficulties requiring… compared with preoperative pharmacological therapy and surgery (very low certainty).

1 finding from 1 review

Prophylactic plasma transfusion before surgery/invasive procedures vs no prophylactic plasma transfusion before surgery/invasive procedures (colloid, crystalloid, placebo, or no treatment)

Serious adverse events measured by surgery or procedure‐related complications within 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures

The review found no eligible studies for this question.

1 finding from 1 review