Evidence map›Paper›PMID 35870897›Full record

SynthesisBMC pregnancy and childbirth2022

Vitamin B12 status and folic acid/vitamin B12 related to the risk of gestational diabetes mellitus in pregnancy: a systematic review and meta-analysis of observational studies.

Jin He, Dongmei Jiang, Xianwei Cui, Chenbo Ji

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in BMC pregnancy and childbirth, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
4.8field-weighted citation impact, top 4% of its field
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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

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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 at 2 institutions in 1 country.

Jin HeSchool of Nursing, Nanjing Medical University, Nanjing, China.
Dongmei JiangSchool of Nursing, Nanjing Medical University, Nanjing, China.
Xianwei CuiNanjing Maternity and Child Health Care Institute, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China. xwcui@njmu.edu.cn.
Chenbo JiSchool of Nursing, Nanjing Medical University, Nanjing, China. chenboji@njmu.edu.cn.
Nanjing Maternity and Child Health Care Hospital · CNNanjing Medical University · CN

Funding

National Natural Science Foundation of China 81770866National Natural Science Foundation of China 82070879
6 · The paper itself

Abstract

backgroundThis review was conducted to investigate the association between serum vitamin B12 levels as well as folic acid/vitamin B12 during pregnancy and the risk of gestational diabetes mellitus (GDM).

methodsA comprehensive search of electronic databases (Embase, PubMed, and Web of Science) was performed. The odds ratios (ORs) with 95% confidence intervals (CIs) of GDM risk were summarized using a random effects model. We also performed subgroup analyses to explore the source of heterogeneity.

resultsA total of 10 studies, including 10,595 pregnant women were assessed. Women with vitamin B12 deficiency were at higher risk for developing GDM when compared with those who were vitamin B12 sufficient (OR, 1.46; 95% CI 1.21-1.79; I

conclusionIn summary, vitamin B12 deficiency is associated with increased risk of GDM, it is necessary to pay more attention to the balance of vitamin B12 and folic acid. However, more in-depth studies across multiple populations are needed to verify these results.

Indexed as

Diabetes, GestationalVitamin B 12 DeficiencyFemaleFolic AcidHumansPregnancyVitamin B 12VitaminsFolic AcidVitamin B 12VitaminsAssociationFolateGDMMeta-analysisVitamin B12

Identifiers

PMID35870897
PMCPMC9308279
OpenAlexW4286715894

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.