Table 3

Seasonal variation of serum 25-hydroxyvitaminin D (25-OHD) in 266 patients from one general practice in Canberra

Number


Season

n

Mean 25-OHD

level (nmol/l)

< 51 nmol/l

51-79 nmol/l

80+ nmol/l


Autumn

91

66.1

28

42

21

Winter

38

54.7

20

11

7

Spring

54

53.8

29

18

7

Summer

83

73.7

12

38

33


Kljakovic et al. Asia Pacific Family Medicine 2012 11:3   doi:10.1186/1447-056X-11-3

Open Data