Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

10 questions · 12 findings · 4 reviews · Vascular

No studies found 3 · 25%GRADE not reported 2 · 16.7%Very low 2 · 16.7%Low 1 · 8.3%Moderate 2 · 16.7%High 2 · 16.7%

Unfractionated heparin vs low molecular weight heparin

DVT (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity

It is very uncertain whether unfractionated heparin changes DVT (symptomatic, asymptomatic, non‐fatal) (5 to 8 days after surgery) compared with low molecular weight heparin (very low certainty).

1 finding from 1 review

Low molecular weight heparin vs active control

Symptomatic DVT · ambulatory cancer patients receiving chemotherapy

The review found no eligible studies for this question.

3 findings from 1 review