Evidence map›Paper›PMID 27279473›Full record

SynthesisBMJ open2016

Dietary flavonoid intake and the risk of stroke: a dose-response meta-analysis of prospective cohort studies.

Zhenyu Tang, Min Li, Xiaowei Zhang, Wenshang Hou

Abstract readMeta-Analysis
In one paragraph

Synthesis in BMJ open, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Observational
  4. Article
  5. Article
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  7. Review
  8. Antioxidants (Basel, Switzerland) · 2021
    Article
  9. Review
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  11. Article
  12. Review
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  14. Overview of Meta-Analyses: The Impact of Dietary Lifestyle on Stroke Risk.International journal of environmental research and public health · 2019
    Review
  15. Review
  16. Article
  17. Review
  18. Article
  19. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Zhenyu TangDepartment of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.
Min LiDepartment of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.
Xiaowei ZhangDepartment of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.
Wenshang HouDepartment of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo clarify and quantify the potential association between intake of flavonoids and risk of stroke.

designMeta-analysis of prospective cohort studies. DATA SOURCE: Studies published before January 2016 identified through electronic searches using PubMed, Embase and the Cochrane Library. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Prospective cohort studies with relative risks and 95% CIs for stroke according to intake of flavonoids (assessed as dietary intake).

resultsThe meta-analysis yielded 11 prospective cohort studies involving 356 627 participants and more than 5154 stroke cases. The pooled estimate of the multivariate relative risk of stroke for the highest compared with the lowest dietary flavonoid intake was 0.89 (95% CI 0.82 to 0.97; p=0.006). Dose-response analysis indicated that the summary relative risk of stroke for an increase of 100 mg flavonoids consumed per day was 0.91 (95% CI 0.77 to 1.08) without heterogeneity among studies (I(2)=0%). Stratifying by follow-up duration, the relative risk of stroke for flavonoid intake was 0.89 (95% CI 0.81 to 0.99) in studies with more than 10 years of follow-up.

conclusionsResults from this meta-analysis suggest that higher dietary flavonoid intake may moderately lower the risk of stroke.

Indexed as

DietAdultAgedDietary SupplementsDose-Response Relationship, DrugFemaleFlavonoidsHumansMaleMiddle AgedMultivariate AnalysisProspective StudiesRisk FactorsStrokeFlavonoidsNEUROLOGYPUBLIC HEALTHSTROKE MEDICINE

Identifiers

PMID27279473
PMCPMC4908865

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.