期刊
JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS
卷 21, 期 4, 页码 509-516出版社
JMNI
关键词
Bone Mineral Density; Hypovitaminosis D; Osteoarthritis; Osteoporosis; Vitamin D
The severity of knee OA is significantly associated with high BMI, number of children, and family history of hip fracture; lumbar spine BMD is negatively correlated with knee OA; vitamin D deficiency has a significant impact on the severity of knee OA.
Objectives: The aim of this study was to analyze the association of knee OA with bone mineral density (BMD) and vitamin D serum levels in postmenopausal women. Methods: A cross-sectional study including 240 postmenopausal women with knee OA was conducted. Demographic data were recorded along with balance and functionality scores. Knee OA severity was assessed by the radiological Kellgren & Lawrence scale. BMD and T-scores were calculated in hips and lumbar spine. Serum levels of vitamin D were also measured. Results: High BMI (p<0.005), high number of children (p=0.022) and family history of hip fracture (p=0.011) are significantly associated with knee OA severity. Lumbar spine OP is negatively associated with knee OA (p<0.005). A significant difference was detected between vitamin D deficiency and severe knee OA. adjusted for BMD [OR (95%CI): 3.1 (1.6-6.1), p=0.001]. BMD does not affect the relationship of vitamin D levels in relation to OA and vitamin D levels do not affect the relationship of BMD with OA. Conclusions: Low BMD has a protective role against knee OA while vitamin D deficiency contributes significantly to knee OA severity. However, the association between OA and OP is not affected by vitamin D deficiency and the association of OA and vitamin D serum levels is not affected by BMD.
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