Question · asked by 1 review

Summary of findings: Iron vs placebo: Quality of life (dichotomous measure)

It is very uncertain whether iron changes quality of life (dichotomous measure) compared with placebo (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Iron vs placebo
Quality of life (dichotomous measure) · people with restless legs syndrome
It is very uncertain whether iron changes quality of life (dichotomous measure) compared with placebo (very low certainty).
Iron for the treatment of restless legs syndrome (2019) · Cochrane Headline outcomes only
RR 2.01 [0.54, 7.45]2 studies · 39 participantsVery low

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Iron for the treatment of restless legs syndrome
2019 · 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.