Question · asked by 1 review

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

It is very uncertain whether standard‐dose VKA plus single antiplatelet agent changes all‐cause mortalitya compared with standard‐dose VKA (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Standard‐dose VKA plus single antiplatelet agent vs standard‐dose VKA
All‐cause mortalitya · people with antiphospholipid syndrome and a history of stroke or thromboembolic events
It is very uncertain whether standard‐dose VKA plus single antiplatelet agent changes all‐cause mortalitya compared with standard‐dose VKA (very low certainty).
Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in… (2020) · Cochrane Headline outcomes only
RR 0.49 [0.02, 11.68]1 study · 82 participantsVery low

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in people with antiphospholipid…
2020 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.