Question · asked by 1 review

Low molecular weight heparin vs no LMWH: Major bleeding

Population
people with cancer with thrombosis prophylaxis and central venous catheters
Intervention
Low molecular weight heparin
Comparison
no LMWH
Outcome
Major bleeding

It is very uncertain whether low‐molecular‐weight heparin (LMWH) changes major bleeding (up to 3 months) compared with no LMWH (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Low‐molecular‐weight heparin (LMWH) vs no LMWH
Major bleeding (up to 3 months) · 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 no LMWH (very low certainty).
Anticoagulation for people with cancer and central venous catheters (2018) · Cochrane Headline outcomes only
RR 1.49 [0.06, 36.28]4 studies · 1018 participantsVery low

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Anticoagulation for people with cancer and central venous catheters
2018 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed

The same intervention and outcome, asked in another population or against another comparator.

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.