Evidence map›Paper›PMID 34580600›Full record

SynthesisBehavioural neurology2021

Association of Methylenetetrahydrofolate Reductase C677T Gene Polymorphisms with Mild Cognitive Impairment Susceptibility: A Systematic Review and Meta-Analysis.

Jiahui Sun, Xuefan Jiang, Ming Zhao, Lina Ma, Hui Pei, Nanyang Liu, Hao Li

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Behavioural neurology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. 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

7 authors.

Jiahui SunGraduate School, Beijing University of Chinese Medicine, Beijing, China.ORCID https://orcid.org/0000-0003-0439-4740
Xuefan JiangGraduate School, Beijing University of Chinese Medicine, Beijing, China.ORCID https://orcid.org/0000-0003-1038-7686
Ming ZhaoGraduate School, Beijing University of Chinese Medicine, Beijing, China.
Lina MaDepartment of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
Hui PeiDepartment of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
Nanyang LiuDepartment of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.ORCID https://orcid.org/0000-0003-4074-0268
Hao LiDepartment of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.ORCID https://orcid.org/0000-0001-8502-2556

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMethylenetetrahydrofolate reductase (

objectiveWe conducted this meta-analysis to evaluate the contribution of

methodsPubMed, Embase, Web of Science, and China National Knowledge Infrastructure databases were searched from their inception to March 21, 2021, with language restricted to English or Chinese. We used fixed or random effects to examine the association between

resultsEight articles with 2,175 participants were included in the present meta-analysis. There was no significant association between

conclusionThe results suggest that

Indexed as

Cognitive DysfunctionMethylenetetrahydrofolate Reductase (NADPH2)Genetic Predisposition to DiseaseHumansOdds RatioPolymorphism, GeneticPolymorphism, Single NucleotideRisk FactorsMethylenetetrahydrofolate Reductase (NADPH2)MTHFR protein, human

Identifiers

PMID34580600
PMCPMC8464412

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

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 Socratic graph.