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Table 3 Mean serum levels of 25-OH-D (ng/ml) per age group

From: Effect of vitamin D3 seasonal supplementation with 1500 IU/day in north Italian children (DINOS study)

  

Total

Groups

Rise (ng/ml)

T-test

A. Suppl.

B. No suppl.

every extra 100 IU/day

P

2–5 years

n

91

38

53

  

Mean ± SD

 

35.2 ± 14.1

21.3 ± 11.4

0.93

< 0.0001*

6–10 years

n

68

24

44

  

Mean ± SD

 

31.1 ± 12.9

22.3 ± 8.6

0.59

0.0013*

11–15 years

n

44

20

24

  

Mean ± SD

 

26.8 ± 8.8

21.8 ± 9.8

0.33

0.0850

  1. n = number of children in each group
  2. *below P significance level
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Italian Journal of Pediatrics

ISSN: 1824-7288

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