Vitamin D status in residents of Tyumen region

BACKGROUND: The high prevalence of vitamin D deficiency worldwide is often associated with the region of residence. AIMS: to study the level of vitamin D in serum of residents living in Tyumen region, to assess the frequency of occurrence of insufficiency and deficiency of vitamin D in the region. MATERIALS AND METHODS: Observational, single-site, transverse, selective, uncontrolled study of the prevalence of vitamin D deficiency among adults in Tyumen region, conducted from November 2017 to March 2018. RESULTS: Optimal levels of 25(OH)D in the residents of the Tyumen region were found in 7.3% of patients, its insufficiency was registered in 22.0% of cases, and defficiency – in 70.7%. There was a weak correlation relationship between lower values of 25(OH)D in those examined with obesity according to body mass index (r = -0.104, p <0.05) and waist circumference (r = -0.239, p <0.05), and with greater body mass (r = -0.130, p <0.05). CONCLUSIONS: There is a high prevalence of insufficiency and deficiency of vitamin D among the adult population living in Tyumen region has been revealed. Additionally, it has been established that the level of vitamin D is not associated with gender and age, but is associated with BMI, waist circumference and body weight of patients.