Vitamin D levels in post-menopausal Korean women with a distal radius fracture
Abstract
INTRODUCTION: The purpose of this study was to investigate serum levels of vitamin D in post-menopausal Korean women with a distal radius fracture (DRF) and to determine if there is any association between vitamin D levels and bone-related variables such as bone mineral densities (BMDs), serum parathyroid hormone (PTH) levels and several bone turnover markers.
MATERIALS AND METHODS: The data of 104 postmenopausal women surgically treated for a distal radius fracture (DRF group) and 107 age-matched control patients without a fracture (control group) were compared. Serum vitamin D levels (25-hydroxycholecalciferol, 25(OH)D(3)) were compared between the groups with consideration of age and seasonal variations. BMDs, serum PTH and several bone turnover markers, including serum osteocalcin, C-telopeptide and urine N-telopeptide, were measured and analysed to find any association with vitamin D levels.
RESULTS: The mean 25(OH)D(3) level was significantly lower in the DRF group compared to the control group (p < 0.001). In particular, patients in their sixth and seventh deciles in the DRF group had significantly lower 25(OH)D(3) levels than patients in the control group (p = 0.001 and 0.013, respectively). When seasonal variation was considered, significant differences of 25(OH)D(3) levels were found between the groups in autumn and winter. Hip BMDs were significantly lower in the DRF group than in the control group, and there was a positive correlation between serum 25(OH)D(3)…
How strong is the evidence?
Evidence Hub reads this as a case-control, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 104 participants or records.
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