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What do systematic reviews say?

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Evidence found and GRADE certainty

7 questions · 9 findings · 3 reviews

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No studies found 2 · 22.2%GRADE not reported 0 · 0%Very low 2 · 22.2%Low 1 · 11.1%Moderate 4 · 44.4%High 0 · 0%

Low molecular weight heparin vs active control

Major bleeding · ambulatory cancer patients receiving chemotherapy

The review found no eligible studies for this question.

3 findings from 1 review

Low molecular weight heparin vs no prophylaxis

All adverse effects, including allergies at injection site, minor and major bleeding, others ( · adults undergoing KA

Low‐molecular‐weight heparin showed no clear difference in all adverse effects, including allergies at injection site, minor… compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Low molecular weight heparin vs vitamin K antagonist (VKA)

Major bleeding · people with cancer with thrombosis prophylaxis and central venous catheters

It is very uncertain whether low‐molecular‐weight heparin (LMWH) changes major bleeding (up to 3 months) compared with vitamin K antagonist (VKA) (very low certainty).

1 finding from 1 review