Heparin vs no heparin: Symptomatic VTE
heparin leads to lower symptomatic VTE compared with no heparin (high certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
heparin vs no heparin Symptomatic VTE · patients with cancer who have no other therapeutic or prophylactic indication for anticoagulation heparin leads to lower symptomatic VTE compared with no heparin (high certainty). Parenteral anticoagulation in ambulatory patients with cancer (2011) · Cochrane Headline outcomes onlyearlier version CD006652.PUB2, superseded | RR 0.55 [0.37, 0.82] | 7 studies · 2264 participants | High |
heparin vs no heparin Symptomatic VTE · patients with cancer who have no other therapeutic or prophylactic indication for anticoagulation heparin leads to lower symptomatic VTE compared with no heparin (high certainty). Parenteral anticoagulation in ambulatory patients with cancer (2011) · Cochrane Headline outcomes onlyearlier version CD006652.PUB3, superseded | RR 0.55 [0.37, 0.82] | 7 studies · 2264 participants | High |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Parenteral anticoagulation in ambulatory patients with cancer 2017 · 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.