Table 2.

Average level of 25(OH) D (ng/ml) in subjects, depending on age.

Age, years	M ± m	Me(Q1–Q3)	p
0–3 (1)	41.36 ± 24.48	35.85 (24.40–50.10)	p1−2 = 0.002
4–10 (2)	32.37 ± 13.92	31.12 (22.82–38.80)
11–18 (3)	26.94 ± 12.49	24.60 (18.30–31.55)	p1−3 <0.001
Total	32.74 ± 17.47	29.60 (21.68–39.70)	p2−3 <0.001

p is the level of significance of differences, and Mann–Whitney test was applied.