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Table 2 Prevalence of vitamin D inadequacy stratified for seasons.

From: Vitamin D inadequacy in Belgian postmenopausal osteoporotic women

 

1. Spring

2. Summer

3. Fall

4. Winter

<30 nmol/L

15,3%

9,9%

17,5%

20,9%

<50 nmol/L

45,3%

39,1%

44,5%

43,0%

<75 nmol/L

90,8%

86,9%

85,3%

85,4%

<80 nmol/L

93,6%

89,4%

91,0%

90,2%