Vitamin D, cognition, and dementia: a systematic review and meta-analysis.
Author information is not available in this record · peer-reviewed
Study context, unresolved fields and interpretation limits
What this paper studied
- Structured record only — no verified extractable findings
- Not evaluated; pending review. No finding has been extracted and verified for this record.
- Source status is not human clinical review.
This paper has no verified extractable findings. Only the structured record fields below are held; the remaining study fields are marked not available rather than inferred.
- What the paper set out to compare
- Not available in this record
- Who was studied
- older adults
- How it was designed
- systematic review / meta-analysis, mostly observational
- Studied intervention
- not applicable — observational association
- Compared against
- Not available in this record
- What was measured, and when
- Not available in this record
- What the authors reported
- Not available in this record
Fields marked not available are absent from this record; they have not been inferred from the title, the journal or any other bibliographic field.
Limitations and interpretation bounds
- Recorded risk of bias: moderate.
Source-linked brief with study context, limitations and exact record versions.
Vitamin D, cognition, and dementia: a systematic review and meta-analysis.
Substrate paper brief · PMID 23008220
Study publication year: Not available in this record. Retrieved: 2026-10-20T23:56:01.733Z.
https://evidencebased.info/studies/23008220
https://pubmed.ncbi.nlm.nih.gov/23008220/
This is a dated public record snapshot. Check the canonical study page for later publication, withdrawal or review changes. It is not a recommendation or human clinical review.
What this paper studied
This paper has no verified extractable findings. Only the structured record fields below are held; the remaining study fields are marked not available rather than inferred.
- Not evaluated; pending review. No finding has been extracted and verified for this record.
- Source status is not human clinical review.
- What the paper set out to compare
- Not available in this record
- Who was studied
- older adults
- How it was designed
- systematic review / meta-analysis, mostly observational
- Studied intervention
- not applicable — observational association
- Compared against
- Not available in this record
- What was measured, and when
- Not available in this record
- What the authors reported
- Not available in this record
Fields marked not available are absent from this record; they have not been inferred from the title, the journal or any other bibliographic field.
No current verified extracted finding is available for this brief. Finding, paper and source version identifiers are not available here.
Study limitations and interpretation bounds
- Recorded risk of bias: moderate.
Finding destinations and coverage · 0 records
Finding coverage
Finding destinations and coverage
No public finding destinations are listed for this record. Bibliographic metadata does not establish a finding, result or applicability.
Additional extraction and platform record details
These additional records are separate from the source-reported findings above. Platform estimates and grades are not results reported by this paper.
Study design and participants
From EvidenceBased's structured claim record, not the source extraction above.
- Design
- systematic review / meta-analysis, mostly observational
- Sample size
- 25
- Population
- older adults
- Intervention and protocol
- not applicable — observational association
Results
- Vitamin D → cognition: positive; effect size not reported.
Limitations, bias, and funding
Risk of bias: moderate
Funding: not reported
- Recorded risk of bias: moderate.
Role in the wider evidence
Existing platform assessment: grades and certainty are EvidenceBased's own engine output for the wider claim, not results this paper reported.