Observational studyFrontiers in immunology2026
Serum vitamins and
Observational study in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed.
- Immunopathogenesis, molecular phenotyping, and host-directed interventions for severe pediatricFrontiers in cellular and infection microbiology · 2026Review
- Early prediction of plastic bronchitis in pediatric patients withFrontiers in cellular and infection microbiology · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background/objective: Immunodeficiency is a common precipitating factor for Methods: A retrospective observational study was conducted at Children's Hospital Affiliated to Zhengzhou University. A total of 135 children diagnosed with MPP with voluntarily requested vitamin profiling were enrolled between October and December 2023. A control group of 199 children, who underwent health check-ups and vitamins assessments, were also included during the same period. Clinical and laboratory data were retrieved from the hospital's electronic medical record system. Results: Children with MPP exhibited significantly lower levels of VA, VD, VB1, VB7, and VC in their peripheral blood compared to the healthy control group. Nutritional analysis revealed higher deficiency rates of these vitamins in the MPP group. Correlation analysis indicated significant negative relationships between VA, VD, VB1, VB7, and VC levels and the percentage of neutrophils. Additionally, VA, VD, VB7, and VC levels were negatively correlated with the percentage of monocytes. Multivariate regression analysis, adjusted for age and neutrophil percentage, showed that VA (OR = 0.986, 95% CI: 0.981-0.992, P < 0.001), VD (OR = 0.807, 95% CI: 0.746-0.874, P < 0.001), VB1 (OR = 0.592, 95% CI: 0.406-0.864, P = 0.007), VB7 (OR = 0.980, 95% CI: 0.972-0.989, P < 0.001), and VC (OR = 0.899, 95% CI: 0.822-0.984, P = 0.021) were independently associated with MPP. Further analysis demonstrated that children with deficiencies in VA, VD, VB1, VB7, and VC had significantly higher odds of having MPP. Conclusion: Children with MPP exhibit significantly lower levels of VA, VD, VB1, VB7, and VC. The incidence of multiple vitamin deficiencies is notably higher in this group compared to healthy children, and a negative correlation exists between vitamin levels and neutrophil percentage. Multivariate regression analysis confirms that VA, VD, VB1, VB7, and VC were identified to be independently associated with MPP.
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