Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

30 questions · 31 findings · 2 reviews · Vascular

No studies found 12 · 38.7%GRADE not reported 5 · 16.1%Very low 9 · 29%Low 4 · 12.9%Moderate 1 · 3.2%High 0 · 0%

Foam sclerotherapy vs placebo

Residual varicose veins · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes residual varicose veins compared with placebo (very low certainty).

1 finding from 1 review

Foam sclerotherapy vs placebo

Complications ‐ DVT · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes complications ‐ DVT compared with placebo (very low certainty).

1 finding from 1 review