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Vitamin D deficiency Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

Vitamin D deficiency is common worldwide and the incidence of it is increasing. In the US, vitamin D deficiency is more prevalent among non-white ethnic groups. The prevalence is different based on different laboratory methods and the cut-off for the vitamin D deficiency.

Epidemiology and Demographics

Prevalence

According to Institute of Medicine (IOM), based on the National Health and Nutrition Examination Survey (NHANES) 2003–2006, there is an overall 18.8% prevalence of serum 25OHD concentrations below 40 nmol/L in the US. [1] |-

Prevalence of serum vitamin D concentrations below 40 nmol/l Total Non-Hispanic White Non-Hispanic Black Mexican American Others
Percent 18.8 (16.3–21.5) 10.6 (8.9–12.4) 53.6 (48.9–58.2) 27.2 (22.8–32.0) 27.2 (23.2–31.7)

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References

  1. "Proportion of the Population Above and Below 40 nmol/L Serum 25-Hydroxyvitamin D Concentrations and Cumulative Distribution of Serum 25-Hydroxyvitamin D Concentrations: United States and Canada - Dietary Reference Intakes for Calcium and Vitamin D - NCBI Bookshelf".


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