Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,918 questions · 5,537 findings · 1,803 reviews

No studies found 1,309 · 23.6%GRADE not reported 440 · 7.9%Very low 1,560 · 28.2%Low 1,292 · 23.3%Moderate 751 · 13.6%High 185 · 3.3%

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Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery

Adverse events · people with venous leg ulcers

It is very uncertain whether subfascial endoscopic perforator vein surgery (SEPS) + saphenous… changes adverse events compared with saphenous surgery (very low certainty).

1 finding from 1 review

Deep brain stimulation vs sham stimulation

Adverse events · adults with dystonia (generalised, segmental, and cervical)

It is very uncertain whether deep brain stimulation changes adverse Events compared with sham stimulation (very low certainty).

1 finding from 1 review