Evidence map›Paper›PMID 34707130›Full record

ArticleScientific reports2021

Adequate magnesium level as an associated factor of pre-diabetes and diabetes mellitus remission in patients with obesity submitted to bariatric surgery.

Vanessa Guerreiro, Isabel Maia, João Sérgio Neves, Daniela Salazar, Maria João Ferreira, Fernando Mendonça, Maria Manuel Silva, Sara Viana, Cláudia Costa, Jorge Pedro and 4 more

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Magnesium Level and Related Factors in Type 2 Diabetes Mellitus: A Cross-Sectional StudyEndocrine, metabolic & immune disorders drug targets · 2026
    Article
  2. Article
  3. 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

14 authors.

Vanessa GuerreiroDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal. vanessa.a.guerreiro@gmail.com.
Isabel MaiaEPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal.
João Sérgio NevesDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Daniela SalazarDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Maria João FerreiraDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Fernando MendonçaDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Maria Manuel SilvaDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Sara VianaLaboratório Para a Investigação Integrativa e Translacional em Saúde Populacional (ITR), Porto, Portugal.
Cláudia CostaLaboratório Para a Investigação Integrativa e Translacional em Saúde Populacional (ITR), Porto, Portugal.
Jorge PedroDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Ana VarelaDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Eva LauDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Paula FreitasDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
Davide CarvalhoDepartamento de Endocrinologia, Diabetes e Metabolismo, Centro Hospitalar Universitário São João, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bariatric surgery (BS) can lead to remission of type 2 diabetes mellitus (T2DM), however, the evidence on the influence of preoperative serum magnesium levels on this reversal is scarce. To study the influence of preoperative serum magnesium levels on the pre-T2DM and T2DM remission one year after BS. Retrospective study carried out among 1656 patients with obesity who underwent BS in the Centro Hospitalar Universitário São João. T2DM and pre-T2DM remission were defined as being normal glycaemic measures of at least one year's after BS and without pharmacological therapy. To assess the association between preoperative serum magnesium levels and pre- and T2DM remission, logistic regression models, crude and adjusted for sex, age and body mass index were computed. Patients with normoglycaemia presented hypomagnesaemia less often than those patients with pre-T2DM and T2DM (17.0% vs. 21.3% vs. 39.9%) (p < 0.001). One year after BS, 62.9% of patients with pre-T2DM or T2DM before BS showed remission. Adequate magnesium levels were positively associated with T2DM and pre-T2DM remission, one year after BS (OR 1.79; 95% CI 1.34-2.38), independently of sex, age, and body mass index. Adequate preoperative serum magnesium levels showed to be an important clinical parameter for pre-T2DM and T2DM remission.

Indexed as

AdultAge FactorsBariatric SurgeryBody Mass IndexFemaleHumansMagnesiumMaleMiddle AgedObesityPostoperative ComplicationsPrediabetic StateSex FactorsMagnesium

Identifiers

PMID34707130
PMCPMC8551299

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Registered trials

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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.