Evidence map›Paper›PMID 40657454›Full record

ArticleSultan Qaboos University medical journal2025

Vitamin D Status and Oxidative Stress in Children with Sickle Cell Anaemia in Sagamu, Nigeria.

Ayobola A Sonuga, Oyebola O Sonuga, Olatunbosun O Olawale, Sunday P Ogundeji

Abstract read
In one paragraph

Article in Sultan Qaboos University medical journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed, 1 pooled it
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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

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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

2 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

4 authors.

Ayobola A SonugaDepartment of Biochemistry, Lead City University, Ibadan, Nigeria.
Oyebola O SonugaDepartment of Chemical Pathology, University College Hospital, Ibadan, Nigeria.
Olatunbosun O OlawaleDepartment of Chemical Pathology, Olabisi Onabanjo University Teaching Hospital, Sagamu, Nigeria.
Sunday P OgundejiDepartment of Haematology, University of Ibadan, Ibadan, Nigeria.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objectives: Sickle cell anaemia (SCA) is characterised by nutritional deficiencies and oxidative stress. Vitamin D possesses antioxidant properties; however, its role in SCA within sub-Saharan Africa remains inadequately understood. This study aimed to investigate the relationship between vitamin D status, oxidative stress and antioxidant levels in children with SCA, exploring its possible role in mitigating complications associated with oxidative stress in SCA. Methods: This study was conducted for a period of 9 months from November 2022 until July 2023 at the Olabisi Onabanjo University Teaching Hospital (OOUTH), Sagamu, Nigeria. This case-control study involved 100 HbS genotype and 100 HbA genotype children (control group), all of whom were of comparable age (5-12 years). Baseline characteristics were collected, and serum levels of vitamin D, calcium, CAT, SOD, GPX, GST and XO were quantified using standard laboratory methods. Results: Serum levels of vitamin D, calcium, CAT, SOD, GPX and GST were significantly lower in the SCA group compared to the control group. Conversely, the XO level was significantly higher in the HbS group than in the control group. A positive correlation was observed between vitamin D, CAT and SOD (r = 0.821, 0.869), a weak positive association was found between vitamin D and Calcium (r = 0.545), and no significant relationship was identified between vitamin D and the other measured variables in the SCA group. Conclusions: Sufficient vitamin D levels may positively influence the antioxidant status in SCA individuals, thereby reducing associated complications.

Indexed as

Anemia, Sickle CellOxidative StressVitamin DAntioxidantsCase-Control StudiesChildChild, PreschoolFemaleHumansMaleNigeriaVitamin D DeficiencyAntioxidantsVitamin DAntioxidantNigeriaOxidative StressSickle Cell AnaemiaVaso-Occlusive CrisisVitamin D

Identifiers

PMID40657454
PMCPMC12255343

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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.