Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,072 questions · 4,237 findings · 447 reviews · Headline outcomes only

No studies found 946 · 22.3%GRADE not reported 257 · 6.1%Very low 1,121 · 26.5%Low 1,207 · 28.5%Moderate 568 · 13.4%High 138 · 3.3%

Molteno implant vs Schocket shunt

Proportion needing additional glaucoma surgery at 1‐year · People with glaucoma

The review found no eligible studies for this question.

1 finding from 1 review

Aqueous shunts vs trabeculectomy

Proportion needing additional glaucoma surgery at 1‐year · People with glaucoma

It is very uncertain whether aqueous shunts changes proportion needing additional glaucoma surgery at 1‐year compared with trabeculectomy (very low certainty).

1 finding from 1 review

Intervention not reported

Coronary artery bypass graft surgery · Free‐living adults who were healthy, had established cardiovascular disease or risk factors for cardiovascular disease

The review found no eligible studies for this question.

1 finding from 1 review

Transobturator (TOR) vs retropubic (RPR) route

Repeat surgery for urinary incontinence · women with stress urinary incontinence

Transobturator (TOR) showed no clear difference in repeat incontinence surgery (short term, within 12 months) compared with retropubic (RPR) route (moderate certainty).

2 findings from 1 review

Retropubic bottom‐to‐top approach vs retropubic top‐to‐bottom approach

Repeat surgery for urinary incontinence · women with stress urinary incontinence
2 findings from 1 review

Obturator medial‐to‐lateral approach vs obturator lateral‐to‐medial approach

Repeat surgery for urinary incontinence · women with stress urinary incontinence

Obturator medial‐to‐lateral approach showed no clear difference in repeat incontinence surgery (short term, up to 12 months) compared with obturator lateral‐to‐medial approach (low certainty).

2 findings from 1 review

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Short‐term lymphocyst formation: both asymptomatic and symptomatic within 4 weeks after surgery · patients with gynaecological malignancies

Retroperitoneal drainage showed no clear difference in short‐term lymphocyst formation: both asymptomatic and symptomatic… compared with no drainage after pelvic lymphadenectomy (moderate certainty).

1 finding from 1 review

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Short‐term lymphocyst formation: symptomatic within 4 weeks after surgery · patients with gynaecological malignancies

Retroperitoneal drainage leads to higher short‐term lymphocyst formation: symptomatic within 4 weeks after… compared with no drainage after pelvic lymphadenectomy (high certainty).

1 finding from 1 review

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Short‐term lymphocyst formation: both asymptomatic and symptomatic at 8 weeks after surgery · patients with gynaecological malignancies

Retroperitoneal drainage showed no clear difference in short‐term lymphocyst formation: both asymptomatic and symptomatic… compared with no drainage after pelvic lymphadenectomy (high certainty).

1 finding from 1 review

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Long‐term lymphocyst formation: both asymptomatic and symptomatic at 12 months after surgery · patients with gynaecological malignancies

Retroperitoneal drainage showed no clear difference in long‐term lymphocyst formation: both asymptomatic and symptomatic at… compared with no drainage after pelvic lymphadenectomy (high certainty).

1 finding from 1 review

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Long‐term lymphocyst formation: symptomatic at 12 months after surgery · patients with gynaecological malignancies

Retroperitoneal drainage showed no clear difference in long‐term lymphocyst formation: symptomatic at 12 months after surgery compared with no drainage after pelvic lymphadenectomy (low certainty).

1 finding from 1 review

Intervention not reported

Surgery‐related systemic morbidity · women with stage I endometrial cancer

The intervention probably leads to higher surgery‐related systemic morbidity (moderate certainty).

1 finding from 1 review

Beta‐blockers vs placebo, no treatment or surveillance only

Clinically important non‐fatal end point as defined byShores 1994(aortic dissection, aortic regurgitation, congestive heart failure, or cardiovascular surgery) · people with confirmed diagnosis of Marfan syndrome

Beta‐blockers showed no clear difference in clinically important non‐fatal end point as defined byShores… compared with placebo, no treatment or surveillance only (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