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Different Relationships Between Body Compositions and Bone Mineral Density According to Gender and Age in Korean Populations (KNHANES 2008–2010)

机译:韩国人口的性别和年龄,其身体成分与骨矿物质密度之间的不同关系(KNHANES 2008–2010)

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Context:Fat and muscle are linked to bone metabolism.Objective:The objective of the study was to investigate the association of fat mass (FM) and lean mass (LM) with bone mineral density (BMD) according to gender and age.Design and Setting:This was a population-based, cross-sectional study from Korea National Health and Nutrition Examination Surveys.Participants:15 036 Koreans (6692 men and 8344 women) aged 10–95 years.Main Outcome Measures:BMD and body compositions were measured using dual-energy X-ray absorptiometry. BMD was determined at the femoral neck, total hip, and lumbar spine. Body compositions included total FM (TFM), percentage FM (PFM), truncal FM (TrFM), total LM (TLM), and appendicular skeletal muscle mass/weight (ASM/Wt).Results:We categorized each man and woman into one of three age groups, based on changes in age-related BMD and the hormonal status. In all gender and age groups, TFM, PFM, and TrFM associated inversely with BMD (P < .001–.034), whereas TLM and ASM/Wt associated positively (P < .001–.037) after adjusting for confounders. The negative contribution of FM (P < .001–.034), and the positive contribution of LM (P < .001–.035) on BMD were significantly stronger in men than in women. The associations were strongest in men of growing age (P = .003–.040). When we subdivided the subjects into four groups based on the median values of PFM and TLM, FM had a greater effect than LM on BMD in men (P < .001–.006).Conclusion:These results demonstrate that the effects of FM and LM on BMD may be based on gender and age.
机译:背景:脂肪和肌肉与骨骼代谢有关。目的:研究目的是根据性别和年龄调查脂肪量(FM)和瘦体重(LM)与骨矿物质密度(BMD)的关系。地点:这是一项基于韩国国家健康与营养检查调查的人口统计学横断面研究。参与者:15 036名10-95岁的韩国人(6692名男性和8344名女性)。主要结果指标:测量了BMD和身体成分使用双能X射线吸收仪。确定股骨颈,全髋和腰椎的骨密度。人体成分包括总FM(TFM),FM百分比(PFM),截尾FM(TrFM),总LM(TLM)和阑尾骨骼肌质量/体重(ASM / Wt)。结果:我们将每个男人和女人分为一个根据与年龄相关的BMD和荷尔蒙状态的变化确定三个年龄组的比例。在所有性别和年龄组中,校正混杂因素后,TFM,PFM和TrFM与BMD呈负相关(P <.001–.034),而TLM和ASM / Wt与BMD呈正相关(P <.001–.037)。 FM对BMD的负贡献(P <.001–.034)和LM(P <.001–.035)的正面贡献在男性中明显强于女性。这种关联在成年男性中最强(P = .003–.040)。当我们根据PFM和TLM的中位数将受试者分为四组时,FM对男性BMD的影响大于LM(P <.001–.006)。结论:这些结果表明FM和TLM的影响。关于BMD的LM可能基于性别和年龄。

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