Vitamin D Status in Central Europe

Table 2

Serum 25-hydroxyvitamin D concentrations reported for children and adolescents.

Country	City	Latitude,; longitude	Year	Number, sex	Age (yrs)	BMI	Population	Season	Assay, machine (manufacturer)	Serum 25(OH)D (ng/mL)	Reference
Belarus	Minsk	53.9°N; 27.6°E	2011-2012	47 M; 33 F	11 (8–13)		Healthy	Autumn-winter	ECLIA, Cobas e411 (Roche Diagnostics)	9 (5–15)	[24]
Hungary	Budapest	47.5°N,; 17.1°E		100 M	11–14	20	Healthy,; Cross section	Winter	CLIA, IDS (IDS)	23 ± 6	[25]
Hungary				66 M	11–14	20	Healthy	Summer		41 ± 13
Hungary				91 F	11–14	20	Healthy	Winter		21 ± 8
Hungary				53 F	11–14	20	Healthy	Summer		38 ± 14
Poland		49–54°N; 15–24°E		199 F	13 ± 1		Community, cross section	Winter	HPLC	12	[26]