Evidence map›Paper›PMID 38892495›Full record

SynthesisNutrients2024

Vitamin D and Risk of Incident Type 2 Diabetes in Older Adults: An Updated Systematic Review and Meta-Analysis.

Ligia J Dominguez, Nicola Veronese, Eliana Marrone, Carla Di Palermo, Candela Iommi, Rosaria Ruggirello, Carla Caffarelli, Stefano Gonnelli, Mario Barbagallo

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Nutrients, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Vitamin D Metabolite Ratios and Association with Type 2 Diabetes Mellitus in a Youth Saudi Population.Diabetes, metabolic syndrome and obesity : targets and therapy · 2026
    Article
  8. Recent Updates on Diabetes and Bone.International journal of molecular sciences · 2025
    Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
  15. Article
  16. Article
  17. 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

9 authors.

Ligia J DominguezDepartment of Medicine and Surgery, "Kore" University of Enna, 94100 Enna, Italy.
Nicola VeroneseGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.ORCID 0000-0002-9328-289X
Eliana MarroneGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.ORCID 0000-0003-3191-9899
Carla Di PalermoGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.
Candela IommiGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.
Rosaria RuggirelloGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.
Carla CaffarelliSection of Internal Medicine, Department of Medicine, Surgery and Neuroscience, University of Siena, 53100 Siena, Italy.
Stefano GonnelliSection of Internal Medicine, Department of Medicine, Surgery and Neuroscience, University of Siena, 53100 Siena, Italy.
Mario BarbagalloGeriatric Unit, Department of Medicine, University of Palermo, 90127 Palermo, Italy.ORCID 0000-0002-1349-6530

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Vitamin D deficiency is very common worldwide, particularly in old age, when people are at the highest risk of the negative adverse consequences of hypovitaminosis D. Additionally to the recognized functions in the regulation of calcium absorption, bone remodeling, and bone growth, vitamin D plays a key role as a hormone, which is supported by various enzymatic, physiological, metabolic, and pathophysiological processes related to various human organs and systems. Accruing evidence supports that vitamin D plays a key role in pancreatic islet dysfunction and insulin resistance in type 2 diabetes. From an epidemiological viewpoint, numerous studies suggest that the growing incidence of type 2 diabetes in humans may be linked to the global trend of prevalent vitamin D insufficiency. In the past, this association has raised discussions due to the equivocal results, which lately have been more convincing of the true role of vitamin D supplementation in the prevention of incident type 2 diabetes. Most meta-analyses evaluating this role have been conducted in adults or young older persons (50-60 years old), with only one focusing on older populations, even if this is the population at greater risk of both hypovitaminosis D and type 2 diabetes. Therefore, we conducted an update of the previous systematic review and meta-analysis examining whether hypovitaminosis D (low serum 25OHD levels) can predict incident diabetes in prospective longitudinal studies among older adults. We found that low 25OHD was associated with incident diabetes in older adults even after adjusting for several relevant potential confounders, confirming and updating the results of the only previous meta-analysis conducted in 2017.

Indexed as

Diabetes Mellitus, Type 2Vitamin DVitamin D DeficiencyAgedFemaleHumansIncidenceMaleMiddle AgedRisk FactorsVitamin Dagingdiabeteselderlyhypovitaminosis Dmeta-analysisolder adultsvitamin D

Identifiers

PMID38892495
PMCPMC11173817

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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.