Vitamin D status in Israeli pediatric type 1 diabetes patients: the AWeSoMe Study Group experience and literature review
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Judith Brody
Abstract
Background
The prevalence of both vitamin D (VitD) deficiency and type 1 diabetes mellitus (T1DM) has increased worldwide over the last few decades. The objectives of this study were: (1) to evaluate the prevalence of VitD deficiency and insufficiency among Israeli youth with T1DM and (2) to assess the association between VitD status, seasonality and T1D glycemic control characteristics.
Methods
This was a multi-centered, cross-sectional study. VitD levels were routinely tested during the years 2008–2011 in T1DM patients aged up to 21 years. Medical records were reviewed for demographic, clinical and laboratory characteristics.
Results
The study population consisted of 199 participants (53% males), mean age 12.24±4.11 years, mean T1DM duration 3.77±3.43 years. VitD levels were within the normal range in 19.6%, insufficient (15–29 ng/mL, 37–72 nmol/L) in 62.3% and deficient (<15 ng/mL, <37 nmol/L) in 18.1%. Mean VitD level was higher during the summer than during spring, autumn and winter (28.65 ng/mL, 23.16 ng/mL, 21.65 ng/mL, 17.55 ng/mL, respectively, p<0.001). Mean VitD level was higher among secular patients compared to the religious (whole-year heavily dressed) population (23.57 ng/mL, 15.54 ng/mL, respectively, p<0.001). VitD level was negatively associated with body mass index calculation of standard deviation scores (BMI-SDS), high-density lipoprotein (HDL) and age at diagnosis (r=−0.171, p=0.016; r=−0.149, p=0.043; r=−0.150, p=0.037, respectively). No association was demonstrated with disease duration and glycemic control indices and metabolic parameters.
Conclusions
VitD insufficiency is largely prevalent among Israeli youth with T1DM, as is in Israeli youth in general. The VitD level is associated with seasonality, clothing habits and BMI.
Acknowledgments
This study was performed in partial fulfillment of the MD thesis requirements of the Sackler Faculty of Medicine, Tel Aviv University. We would like to thank Ms. Gelernter Ilana, Statistical Laboratory, Tel Aviv University, Israel, for the statistical analysis. We would like to thank Mrs. Sara Bar-Yehuda for her editorial assistance.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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©2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Articles
- Vitamin D status in Israeli pediatric type 1 diabetes patients: the AWeSoMe Study Group experience and literature review
- Metabolic features and changes in glucose-induced serum glucagon-like peptide-1 levels in children with hypothalamic obesity
- Assessment of intima-media thickness of the carotid artery and intraluminal diameter of the brachial artery as cardiovascular risk markers in Brazilian adolescents with overweight or obesity
- The role of LCPUFA-ω3 on the obesity-associated hyperandrogenemia of pubertal girls: secondary analysis of a randomized clinical trial
- Genetic variants of the phenylalanine hydroxylase gene in patients with phenylketonuria in the northeast of Iran
- Oral health status of children with phenylketonuria
- Birth weight related blood concentrations of the neurotransmission amino acids glutamine plus glutamate, phenylalanine and tyrosine in full-term breastfed infants perinatally
- Hyperthyrotropinemia is common in preterm infants who are born small for gestational age
- Radioactive iodine therapy for pediatric Graves’ disease: a single-center experience over a 10-year period
- The decision-making levels of urine tetrasaccharide for the diagnosis of Pompe disease in the Turkish population
- A questionnaire study on sleep disturbances associated with Prader-Willi syndrome
- Body size measurements, digit ratio (2D:4D) and oestrogen and progesterone receptors’ expressions in juvenile gigantomastia
- The effect of celiac disease and gluten-free diet on pubertal development: a two-center study
- Observational study of disorders of sex development in Yaounde, Cameroon
- Letter to the Editor
- Reforming the male Tanner genital scale
- Short Communication
- The association between vitamin D levels and precocious puberty: a meta-analysis
- Case Reports
- Partial trisomy 9p and 14q microduplication in a patient with growth retardation: a case report and review of the literature
- Two different missense mutations of PEX genes in two similar patients with severe Zellweger syndrome: an argument on the genotype-phenotype correlation
- Patient report
- Marked phenotypic variable expression among brothers with duplication of Xq27.1 involving the SOX3 gene
- Case Report
- Does the risk of arterial hypertension increase in the course of triptorelin treatment?
Artikel in diesem Heft
- Frontmatter
- Original Articles
- Vitamin D status in Israeli pediatric type 1 diabetes patients: the AWeSoMe Study Group experience and literature review
- Metabolic features and changes in glucose-induced serum glucagon-like peptide-1 levels in children with hypothalamic obesity
- Assessment of intima-media thickness of the carotid artery and intraluminal diameter of the brachial artery as cardiovascular risk markers in Brazilian adolescents with overweight or obesity
- The role of LCPUFA-ω3 on the obesity-associated hyperandrogenemia of pubertal girls: secondary analysis of a randomized clinical trial
- Genetic variants of the phenylalanine hydroxylase gene in patients with phenylketonuria in the northeast of Iran
- Oral health status of children with phenylketonuria
- Birth weight related blood concentrations of the neurotransmission amino acids glutamine plus glutamate, phenylalanine and tyrosine in full-term breastfed infants perinatally
- Hyperthyrotropinemia is common in preterm infants who are born small for gestational age
- Radioactive iodine therapy for pediatric Graves’ disease: a single-center experience over a 10-year period
- The decision-making levels of urine tetrasaccharide for the diagnosis of Pompe disease in the Turkish population
- A questionnaire study on sleep disturbances associated with Prader-Willi syndrome
- Body size measurements, digit ratio (2D:4D) and oestrogen and progesterone receptors’ expressions in juvenile gigantomastia
- The effect of celiac disease and gluten-free diet on pubertal development: a two-center study
- Observational study of disorders of sex development in Yaounde, Cameroon
- Letter to the Editor
- Reforming the male Tanner genital scale
- Short Communication
- The association between vitamin D levels and precocious puberty: a meta-analysis
- Case Reports
- Partial trisomy 9p and 14q microduplication in a patient with growth retardation: a case report and review of the literature
- Two different missense mutations of PEX genes in two similar patients with severe Zellweger syndrome: an argument on the genotype-phenotype correlation
- Patient report
- Marked phenotypic variable expression among brothers with duplication of Xq27.1 involving the SOX3 gene
- Case Report
- Does the risk of arterial hypertension increase in the course of triptorelin treatment?
