Question · asked by 1 review

Vitamin D vs placebo/no treatment: Withdrawals due to adverse events

It is very uncertain whether vitamin D (all doses) changes withdrawals due to adverse events compared with placebo/no treatment (very low certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
Vitamin D (all doses) vs placebo/no treatment
Withdrawals due to adverse events · people with active or inactive inflammatory bowel disease of any age
It is very uncertain whether vitamin D (all doses) changes withdrawals due to adverse events compared with placebo/no treatment (very low certainty).
Vitamin D for the treatment of inflammatory bowel disease (2023) · Cochrane Headline outcomes only
RR 1.97 [0.18, 21.27]12 studies · 1251 participantsVery low

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Vitamin D for the treatment of inflammatory bowel disease
2023 · 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.