Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

179 questions · 189 findings · 18 reviews · Headline outcomes only

No studies found 28 · 14.8%GRADE not reported 17 · 9%Very low 44 · 23.3%Low 53 · 28%Moderate 44 · 23.3%High 3 · 1.6%

Endovenous laser ablation (EVLA) vs conventional surgery

Recurrence · people requiring intervention for short saphenous vein varices

Endovenous laser ablation showed no clear difference in clinical evidence of recurrence after 1 year compared with conventional surgery (low certainty).

1 finding from 1 review

Endovenous laser ablation (EVLA) vs conventional surgery

Disease‐specific quality of life · people requiring intervention for short saphenous vein varices
2 findings from 1 review

Transarterial embolisation plus radiofrequency ablation vs radiofrequency ablation

Mortality at maximal · people with early‐ or very early‐stage hepatocellular carcinoma ineligible for surgery

It is very uncertain whether transarterial embolisation plus radiofrequency ablation changes mortality at maximal compared with radiofrequency ablation (very low certainty).

1 finding from 1 review

Transarterial embolisation plus radiofrequency ablation vs radiofrequency ablation

Serious adverse events (number of participants) · people with early‐ or very early‐stage hepatocellular carcinoma ineligible for surgery

It is very uncertain whether transarterial embolisation plus radiofrequency ablation changes serious adverse events (number of participants) compared with radiofrequency ablation (very low certainty).

1 finding from 1 review

Endometrial resection or ablation vs unspecified (or at surgeon's discretion) route of hysterectomy

Effectiveness Proportion of women with perception of improvement of bleeding symptoms · heavy menstrual bleeding

Endometrial resection/ablation may leads to lower effectiveness Proportion of women with perception of improvement of… compared with unspecified (or at surgeon's discretion) route of hysterectomy (low certainty).

1 finding from 1 review

Endometrial resection or ablation vs unspecified (or at surgeon's discretion) route of hysterectomy

Proportion with improvement in general health · heavy menstrual bleeding

Endometrial resection/ablation may leads to lower proportion with improvement in general health compared with unspecified (or at surgeon's discretion) route of hysterectomy (low certainty).

1 finding from 1 review