Vitamin K antagonists vs heparin: Major bleeding
Vitamin K antagonists may leads to higher bleeding ‐ major Treatment duration 28 ‐ 42 days compared with heparin (low certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Vitamin K antagonists vs heparin Bleeding ‐ major Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair Vitamin K antagonists may leads to higher bleeding ‐ major Treatment duration 28 ‐ 42 days compared with heparin (low certainty). Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane Headline outcomes only | OR 3.87 [1.91, 7.85] | 1 study · 1272 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair 2016 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not 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.