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Evidence found and GRADE certainty

1,501 questions · 1,558 findings · 115 reviews · Vascular

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No studies found 346 · 22.2%GRADE not reported 90 · 5.8%Very low 281 · 18%Low 477 · 30.6%Moderate 313 · 20.1%High 51 · 3.3%

Phlebotonics vs placebo?

Oedema in the lower legs (dichotomous variable) · patients with venous insufficiency

Do phlebotonics improve signs and symptoms of venous insufficiency… probably leads to lower oedema in the lower legs (dichotomous variable) compared with placebo? (moderate certainty).

1 finding from 1 review

Phlebotonics vs placebo?

Ulcer healing · patients with venous insufficiency

Do phlebotonics improve signs and symptoms of venous insufficiency… showed no clear difference in ulcer healing (dichotomous variable) compared with placebo? (low certainty).

1 finding from 1 review

Phlebotonics vs placebo?

Adverse events · patients with venous insufficiency

Do phlebotonics improve signs and symptoms of venous insufficiency… probably leads to higher adverse events compared with placebo? (moderate certainty).

1 finding from 1 review

Low molecular weight heparin vs control

Symptomatic catheter‐related thrombosis (up to 3 months) · children with a CVC

Does low molecular weight heparin prevent central venous… showed no clear difference in symptomatic CVC‐related thrombosis ( compared with control (low certainty).

1 finding from 1 review