Evidence map›Paper›PMID 40544313›Full record

ArticleJournal of health, population, and nutrition2025

Mediating role of inflammatory markers (NLR, PLR, SII, SIRI) in the association between 25(OH)D deficiency and obesity in children and adolescents.

Yanchao Li, Xiaoshan Shao

Abstract read
In one paragraph

Article in Journal of health, population, and nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing 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

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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

8 citing papers in PubMed.

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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

2 authors.

Yanchao LiDepartment of Pediatric Rheumatology and Immunology, Guiyang Maternal and Child Health Care Hospital (Guiyang Children's Hospital), Guiyang, Guizhou, 550003, People's Republic of China. lyc666yao@163.com.
Xiaoshan ShaoDepartment of Pediatric Rheumatology and Immunology, Guiyang Maternal and Child Health Care Hospital (Guiyang Children's Hospital), Guiyang, Guizhou, 550003, People's Republic of China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe association between vitamin D deficiency and obesity in children and adolescents has garnered significant attention; however, the underlying mechanisms remain unclear. It is hypothesized that the inflammatory response may mediate the relationship between vitamin D deficiency and obesity.

objectiveThis study aims to investigate the mediating roles of inflammatory markers-namely, the neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), systemic immune inflammation index (SII), and systemic inflammatory response index (SIRI)-in the association between 25(OH)D deficiency and obesity.

methodsThis study utilized data from the 2009-2018 National Health and Nutrition Examination Survey (NHANES) and included a sample of children and adolescents aged 2 to 17 years. The analysis employed complex sampling design weights, with continuous variables expressed as weighted means and categorical variables as weighted percentages. Baseline characteristics were compared using chi-square tests and t-tests. Inflammatory markers were categorized into quartiles, while the 25(OH)D levels were classified into three groups: deficiency, insufficiency, and adequacy. Multivariate logistic regression was conducted to examine the association between 25(OH)D deficiency, inflammatory markers, and obesity. Additionally, the mediating effect of inflammatory markers on the relationship between 25(OH)D deficiency and obesity was investigated through mediation analysis.

resultsA total of 10,613 children and adolescents were included in the study, with 1,650 classified in the obesity group. The findings indicated a significant association between 25(OH)D deficiency and obesity risk (OR = 0.634, 95% CI: 0.440-0.915, p = 0.018). Inflammatory markers, specifically NLR, PLR, SII, and SIRI, partially mediated the relationship between 25(OH)D deficiency and obesity, with NLR and SII exhibiting the most substantial mediating effects (mediation ratios of 3.85% and 4.29%, respectively, p < 0.001). Mediation analysis revealed that the total effect (TE), direct effect (DE), and indirect effect (IE) were all negative, suggesting that an increase in 25(OH)D levels is associated with a reduced risk of obesity, with inflammatory markers serving as intermediaries in this process.

conclusionThis study demonstrates a significant association between 25(OH)D deficiency and obesity in children and adolescents, with inflammatory markers-particularly NLR and SII-playing a partial mediating role in this relationship. These findings indicate that 25(OH)D may influence the development of obesity by modulating the inflammatory response.

Indexed as

InflammationPediatric ObesityVitamin D DeficiencyAdolescentBiomarkersChildChild, PreschoolCross-Sectional StudiesFemaleHumansLymphocytesMaleNeutrophilsNutrition SurveysVitamin D25-hydroxyvitamin DBiomarkersVitamin D25(OH)D deficiencyChildren and adolescentsMarkers of inflammationMediation analysisNHANESObesity

Identifiers

PMID40544313
PMCPMC12181835

What Socratic holds

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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 Socratic graph.