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J Steroid Biochem Mol Biol. 2018 Jan;175:49-54. doi: 10.1016/j.jsbmb.2017.01.005. Epub 2017 Jan 17.

Vitamin D status among the juvenile population: A retrospective study.

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Research and Development, Gulf Diagnostic Center Hospital, Abu Dhabi, United Arab Emirates. Electronic address:
Department of Statistics, Faculty of Economics and Management, Czech University of Life Sciences, Prague, Kamýcká 129, 165 21 Praha 6-Suchdol, Czechia.
All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India; Banasthali University, Rajasthan, India.
Institute of Pediatrics, Sheikh Khalifa Medical City, United Arab Emirates.
Zayed University, Abu Dhabi, United Arab Emirates.
Department of Pathology and Laboratory Medicine, Cleveland Clinic, Abu Dhabi, United Arab Emirates.
Endocrinology, Metabolism & Nutrition, Cardio-Metabolic Institute, NJ, USA.
Department of Oral Health Policy & Epidemiology, Harvard School of Dental Medicine, Boston, MA, USA.


Vitamin D deficiency is a clinical problem and recently we have shown that 82.5% of our entire study cohort had inadequate serum 25(OH)D levels. In this study, we analysed serum 25(OH)D levels of juvenile patients admitted to the Burjeel Hospital of VPS Health care in Abu Dhabi, United Arab Emirates (UAE) from October 2012 to September 2014. Out of a total of 7883 juvenile patients considered in this study, almost 58.1% of females and 43.3% of males in the age group of 1-18 years were found to have low serum 25(OH)D levels (<50nmol/L). According to the coefficient of variation, females had significantly higher variability among juveniles (63.8%) than males (49.9%). Among the juveniles group of patients, age appears to be an important determining factor for defining vitamin D deficiency.The risk of deficiency (<30nmol/L) was found to be present in 31.4% of patients in the age group of 10-12 years, followed by 50.4% of patients in the age group of 13-15 years and 52.9% of patients in the age group of 16-18 years. The analysed age groups of females were found to have lower levels of 25(OH)D than males. It is important and perhaps alarming to note that such high rate of vitamin D deficiency is present in the juvenile age.


25(OH)D; Age; Gender; Juveniles; Nationality; United Arab Emirates; Vitamin D deficiency

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