Epidemiologic Data of Vitamin D Deficiency and Its Implication in Cardio-Cerebrovascular Risk in a Southern Italian Population

Table 2

Mean and standard deviation (SD) of serum levels of 25-(OH)D (ng/ml) in females and males according to different age groups.

Age	N	Females	N	Males	value
25–34	120	20.6 ± 8.1	120	19.2 ± 7.9	NS
35–44	120	20.3 ± 9.3	120	22.2 ± 7.8	NS
45–54	120	18.6 ± 9.1	120	20.1 ± 7.7	NS
55–64	120	19.2 ± 9.5	120	20 ± 10	NS
65–74	120	19.5 ± 11.5	120	18.7 ± 8.4	NS
Total	600	19.6 ± 9.6	600	20 ± 8.5	NS

N: number; SD: standard deviation; NS: nonsignificant.