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Prevalence and Predictors of Vitamin D Insufficiency in Adolescents Living at an Intermediate Altitude

DOI: 
10.7727/wimj.2015.060
Synopsis: 
Vitamin D insufficiency in adolescents living at an intermediate altitude; and optimal serum 25(OH) vitamin D levels in relation to serum PTH levels was evaluated. In spring, vitamin D deficiency was detected in 17.7 % and vitamin D insufficiency was detected in 72 % of subjects. At the end of summer these rates were 1.6 % and 41.1 % respectively. Serum 25(OH)vitamin D levels at which plasma PTH concentrations begin to form a plateau is 22 ng/mL.

ABSTRACT

Although vitamin D insufficiency is very common health problem in the world, its prevalence and predictors in adolescents are controversial. We planned to evaluate prevalenve and predictors of vitamin D insufficiency in adolescents living at an intermediate altitude. We also want to give optimal serum 25(OH) vitamin D levels in relation to serum PTH levels. 

Accepted: 
13 Feb, 2015
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e-Published: 15 Oct, 2015

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