Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,587 questions · 5,761 findings · 495 reviews

No studies found 1,011 · 17.5%GRADE not reported 1,797 · 31.2%Very low 1,100 · 19.1%Low 1,052 · 18.3%Moderate 649 · 11.3%High 152 · 2.6%

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Extended prophylaxis vs another VTE extended prophylaxis

Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · patients with unprovoked venous thromboembolism

VTE extended prophylaxis showed no clear difference in clinically relevant non‐major bleedingf compared with another VTE extended prophylaxis (moderate certainty).

1 finding from 1 review

Extended prophylaxis vs placebo

Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · patients with unprovoked venous thromboembolism

Extended prophylaxis showed no clear difference in clinically relevant non‐major bleedingh compared with placebo (low certainty).

1 finding from 1 review