International Journal of Endocrinology / 2013 / Article / Tab 1

Clinical Study

A Double-Blind, Placebo Controlled, Randomized Trial to Assess the Impact of a Monthly Administration of 50,000 IU of Vitamin D3 for 6 Months on Serum Levels of 25-Hydroxyvitamin D in Healthy Young Adults

Table 1

Baseline demographic data of the healthy young Belgian volunteers who agreed to participate in the study. Continuous variables are expressed as mean ± SD.

TotalPlacebo groupVitamin D group

SEX:
 Male (n)492425
 Female (n)613328
Age (years)22.9 ± 2.523.0 ± 2.522.8 ± 2.6
BMI (kg/m²)21.8 ± 2.121.9 ± 2.221.7 ± 2.0
25(OH)D (ng/mL)22.0 ± 8.322.8 ± 8.521.2 ± 8.2
% subjects with 25(OH)D >30 ng/mL12.714.011.3
% subjects with 25(OH)D between 20 and 30 ng/mL48.249.147.2
% subjects with 25(OH)D between 12 and 19 ng/mL28.226.330.2
% subjects with 25(OH)D <12 ng/mL10.910.511.3
% subjects with 25(OH)D >60 ng/mL0.9*01.9*

One individual.

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