Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

131 questions · 131 findings · 10 reviews

No studies found 22 · 16.8%GRADE not reported 9 · 6.9%Very low 22 · 16.8%Low 37 · 28.2%Moderate 29 · 22.1%High 12 · 9.2%

Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo

Mortality ‐ intermediate and long term · people requiring treatment for chronic DVT

Chronic DVT ‐ antiplatelet agents plus BMP showed no clear difference in mortality ‐ intermediate and long term compared with BMP plus placebo (moderate certainty).

1 finding from 1 review

Standard‐dose VKA plus single antiplatelet agent vs vitamin K antagonist (VKA)

Thromboembolic events · people with antiphospholipid syndrome and a history of stroke or thromboembolic events

Standard‐dose VKA plus single antiplatelet agent may leads to higher any thromboembolic event compared with standard‐dose VKA (low certainty).

1 finding from 1 review

Standard‐dose VKA plus single antiplatelet agent vs vitamin K antagonist (VKA)

Major bleeding · people with antiphospholipid syndrome and a history of stroke or thromboembolic events

Standard‐dose VKA plus single antiplatelet agent showed no clear difference in major bleeding compared with standard‐dose VKA (low certainty).

1 finding from 1 review