Table 1: Distribution of serum 25(OH)D concentration values.

 

Serum concentration

                    Case of 25(OH)D

ng/ml

 number       

 %

> 40

37         

12.6

30.1 - 40.0

71          

24.1

20.1 - 30.0

77          

26.2

10.1 - 20.0

91

31.0

< 10

18

6.1