Question · asked by 1 review

Antioxidants vs placebo or no treatment: Clinical pregnancy rate

Antioxidants may leads to higher clinical pregnancy rate per couple randomised compared with placebo or no treatment (low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Antioxidants vs placebo or no treatment
Clinical pregnancy rate per couple randomised · patients with male subfertility
Antioxidants may leads to higher clinical pregnancy rate per couple randomised compared with placebo or no treatment (low certainty).
Antioxidants for male subfertility (2022) · Cochrane Headline outcomes only
OR 1.89 [1.45, 2.47]20 studies · 1706 participantsLow

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Antioxidants for male subfertility
2022 · 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.