The main purposes of the study were (i) to evaluate serum vitamin D concentration in the forms of 25(OH)D2, 25(OH)D3 and total 25(OH)D in Korean postmenopausal women using the LC–MS/MS… Click to show full abstract
The main purposes of the study were (i) to evaluate serum vitamin D concentration in the forms of 25(OH)D2, 25(OH)D3 and total 25(OH)D in Korean postmenopausal women using the LC–MS/MS method, which offers increased sensitivity and selectivity; (ii) to determine the relationship between the bone turnover marker, parathyroid hormone (PTH) and 25(OH)D3, total 25(OH)D separately; and (iii) to determine the factors that may be associated with vitamin D deficiency using body composition analysis and laboratory blood tests.
               
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