Evidence map›Paper›PMID 33602978›Full record

ArticleScientific reports2021

Beta cell function, insulin resistance and vitamin D status among type 2 diabetes patients in Western Kenya.

Jamil Said, David Lagat, Allan Kimaina, Chrispine Oduor

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 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing 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

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

  1. Pooled it
  2. Pooled it
  3. Review
  4. Article
  5. Article
  6. Review
  7. 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.

Jamil SaidDepartment of Human Anatomy, Moi University School of Medicine, Eldoret, Kenya. jamilalariik@gmail.com.
David LagatDepartment of Medicine, Moi University School of Medicine, Eldoret, Kenya.
Allan KimainaThe Academic Model Providing Access To Healthcare (AMPATH), Eldoret, Kenya.
Chrispine OduorDepartment of Medicine, Moi University School of Medicine, Eldoret, Kenya.

Funding

Brown Moi Partnership for Biostatistics Training in HIV-NAMBARID43TW010050 · FIC · BROWN UNIVERSITY · PI JOSEPH W HOGAN · 2015 to 2026
$3.2M
FIC NIH HHS D43 TW010050
6 · The paper itself

Abstract

Serum vitamin D status exerts effects on glucose-insulin-homeostatic states underlying Diabetes-Mellitus, Type 2 (T2DM). This has been described in white and Asian population where low Vitamin D levels predicted future impairments in beta cell function and worsening of insulin resistance. This study aimed to examine the relationship between serum vitamin D, insulin resistance and beta cell function in a sub population of black Kenyan T2DM patients. The primary objective was to determine the levels of serum 25 hydroxy (25-OH) vitamin D, and estimate the insulin resistance, and beta cell function among T2DM patients at Moi Teaching and Referral Hospital (MTRH). This was a cross sectional study. 124 T2DM patients attending the MTRH Diabetes clinic between February and May 2016 were enrolled. Patients on insulin therapy and/or thiazolidinediones were excluded. Anthropometric, clinical and demographic data was obtained. Samples were drawn for estimation of serum 25-OH vitamin D, fasting insulin levels and fasting blood glucose levels. HOMA (Homeostatic model of assessment) model was used to estimate Beta cell secretion (HOMA-B) and insulin resistance (HOMA-IR); while the Disposition index {(DI) hyperbola product of insulin sensitivity (1/HOMA-IR) and beta cell secretion} was used to estimate the beta cell function. The relationships between serum vitamin D, insulin resistance and beta cell function were explored using a linear regression model. The study participants had a mean age of 56.2 (± 9.2) years, and a mean BMI of 26.9 kg/m

Indexed as

Insulin ResistanceBlood GlucoseCross-Sectional StudiesDiabetes Mellitus, Type 2FemaleHumansInsulin-Secreting CellsKenyaMaleMiddle AgedVitamin DVitamin D DeficiencyBlood GlucoseVitamin D

Identifiers

PMID33602978
PMCPMC7892854

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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.