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Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul

OBJECTIVE: This study aimed to evaluate the frequency of seasonal 25-hydroxyvitamin D [25(OH)D] deficiency and insufficiency in children and adolescents living in Bağcılar, district of İstanbul city. METHODS: Serum vitamin D levels of 280 children aged 3-17 years old were measured at the end of wint...

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Autores principales: Erol, Meltem, Yiğit, Özgül, Küçük, Suat Hayri, Bostan Gayret, Özlem
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Galenos Publishing 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4563185/
https://www.ncbi.nlm.nih.gov/pubmed/26316436
http://dx.doi.org/10.4274/jcrpe.1888
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author Erol, Meltem
Yiğit, Özgül
Küçük, Suat Hayri
Bostan Gayret, Özlem
author_facet Erol, Meltem
Yiğit, Özgül
Küçük, Suat Hayri
Bostan Gayret, Özlem
author_sort Erol, Meltem
collection PubMed
description OBJECTIVE: This study aimed to evaluate the frequency of seasonal 25-hydroxyvitamin D [25(OH)D] deficiency and insufficiency in children and adolescents living in Bağcılar, district of İstanbul city. METHODS: Serum vitamin D levels of 280 children aged 3-17 years old were measured at the end of winter and at the end of summer. Of the total group, vitamin D levels were re-measured in 198 subjects. Vitamin D deficiency was defined as a serum 25(OH)D level less than 15 ng/mL and insufficiency-as levels between 15 and 20 ng/mL. Patients whose vitamin D levels were less than 15 ng/mL at the end of winter were treated with 2000 units/day of vitamin D for 3 months. RESULTS: In the “end of winter” samples, 25(OH)D deficiency was present in 80.36% of the subjects and insufficiency in 11.79%. In the “end of summer” samples, vitamin D deficiency was detected in 3.44% and insufficiency in 27.75%. Vitamin D levels in the “end of winter” samples were not significantly different between boys and girls, while “end of summer” levels were significantly lower in girls (p=0.015). Sunlight exposure was significantly higher in boys (p=0.011). The group with sufficient dairy product consumption had significantly higher vitamin D levels in both “end of summer” and “end of winter” samples. Limb pain was frequently reported in children with low vitamin D levels in the “end of winter” samples (p=0.001). Negative correlations were observed between vitamin D levels and season and also between vitamin D levels and age. CONCLUSION: It is essential to provide supplemental vitamin D to children and adolescents to overcome the deficiency seen especially at the end of winter.
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spelling pubmed-45631852016-01-12 Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul Erol, Meltem Yiğit, Özgül Küçük, Suat Hayri Bostan Gayret, Özlem J Clin Res Pediatr Endocrinol Original Article OBJECTIVE: This study aimed to evaluate the frequency of seasonal 25-hydroxyvitamin D [25(OH)D] deficiency and insufficiency in children and adolescents living in Bağcılar, district of İstanbul city. METHODS: Serum vitamin D levels of 280 children aged 3-17 years old were measured at the end of winter and at the end of summer. Of the total group, vitamin D levels were re-measured in 198 subjects. Vitamin D deficiency was defined as a serum 25(OH)D level less than 15 ng/mL and insufficiency-as levels between 15 and 20 ng/mL. Patients whose vitamin D levels were less than 15 ng/mL at the end of winter were treated with 2000 units/day of vitamin D for 3 months. RESULTS: In the “end of winter” samples, 25(OH)D deficiency was present in 80.36% of the subjects and insufficiency in 11.79%. In the “end of summer” samples, vitamin D deficiency was detected in 3.44% and insufficiency in 27.75%. Vitamin D levels in the “end of winter” samples were not significantly different between boys and girls, while “end of summer” levels were significantly lower in girls (p=0.015). Sunlight exposure was significantly higher in boys (p=0.011). The group with sufficient dairy product consumption had significantly higher vitamin D levels in both “end of summer” and “end of winter” samples. Limb pain was frequently reported in children with low vitamin D levels in the “end of winter” samples (p=0.001). Negative correlations were observed between vitamin D levels and season and also between vitamin D levels and age. CONCLUSION: It is essential to provide supplemental vitamin D to children and adolescents to overcome the deficiency seen especially at the end of winter. Galenos Publishing 2015-06 2015-06-03 /pmc/articles/PMC4563185/ /pubmed/26316436 http://dx.doi.org/10.4274/jcrpe.1888 Text en © Journal of Clinical Research in Pediatric Endocrinology, Published by Galenos Publishing. http://creativecommons.org/licenses/by/2.5/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Erol, Meltem
Yiğit, Özgül
Küçük, Suat Hayri
Bostan Gayret, Özlem
Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title_full Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title_fullStr Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title_full_unstemmed Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title_short Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul
title_sort vitamin d deficiency in children and adolescents in bağcılar, i̇stanbul
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4563185/
https://www.ncbi.nlm.nih.gov/pubmed/26316436
http://dx.doi.org/10.4274/jcrpe.1888
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