Any upright vs supine: Blood loss > 500 mL
Any upright probably leads to higher blood loss > 500 mL compared with supine position (moderate certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Any upright vs supine position Blood loss > 500 mL · women in the second stage of labour without epidural anaesthesia Any upright probably leads to higher blood loss > 500 mL compared with supine position (moderate certainty). Position in the second stage of labour for women without epidural anaesthesia (2017) · Cochrane Headline outcomes only | RR 1.48 [1.1, 1.98] | 15 studies · 5615 participants | Moderate |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Position in the second stage of labour for women without epidural anaesthesia 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.