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- Title
Vitamin D Deficiency in Children and Adolescents in Bağcılar, İstanbul.
- Authors
Erol, Meltem; Yiğit, Özgül; Küçük, Suat Hayri; Gayret, Özlem Bostan
- Abstract
Objective: This study aimed to evaluate the frequency of seasonal 25-hydroxyvitamin D [25(OH)D] deficiency 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 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 insufficiency-as levels between 15 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 insufficiency in 11.79%. In the "end of summer" samples vitamin D deficiency was detected in 3.44% insufficiency in 27.75%. Vitamin D levels in the "end of winter" samples were not significantly different between boys 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" "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 season also between vitamin D levels 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.
- Subjects
VITAMIN D deficiency; VITAMIN D; DAIRY products; DISEASES in teenagers; PHYSIOLOGICAL effects of solar radiation
- Publication
Journal of Clinical Research in Pediatric Endocrinology, 2015, Vol 7, Issue 2, p134
- ISSN
1308-5727
- Publication type
Article
- DOI
10.4274/jcrpe.1888