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首页> 外文期刊>JEMDSA: Journal of Endocrinology, Metabolism and Diabetes of South Africa (JEMSDA) : The Official Journal of the Society of Endocrinology, Metabolism, and Diabetes of South Africa >The association between calf circumference and appendicular skeletal muscle mass index of black urban women in Tlokwe City
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The association between calf circumference and appendicular skeletal muscle mass index of black urban women in Tlokwe City

机译：特洛奎市黑人城市女性小腿围与阑尾骨骼肌质量指数的关系

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Background: Sarcopenia, the loss of muscle mass and strength, is associated with adverse health outcomes. Calf circumference (CC) has been proposed as a surrogate measure of muscle mass in the elderly; however, ethnic/sex specific cut-off values remain to be established. Objective: A study was undertaken to investigate the relationship between CC and appendicular skeletal muscle mass (ASM), and the ASM index (ASMI), as well as to determine whether CC could be used to diagnose sarcopenia. Methods: This was a cross-sectional study of 247 older black women living from Tlokwe, South Africa. ASM was measured using dual-energy X-ray absorptiometry, and the ASMI was calculated. Receiver operator characteristics curves and maximum Youden index were applied to identify a CC cut-off point for sarcopenia according to low gait speed (2/sup). Results: A strong positive correlation between CC and ASMI (r?=?0.84, p? 0.60. Conclusion: A CC of 30?cm is proposed as a simple and inexpensive way to predict, screen or diagnose sarcopenia in black women in low-resource health settings. An accessible, inexpensive screening or diagnostic tool could facilitate timely interventions and prevention.
机译：背景：肌肉减少症（肌肉量和强度的损失）与不良的健康结果有关。小腿围（CC）已被提议作为老年人肌肉质量的替代指标。但是，种族/性别特定的临界值仍有待确定。目的：进行研究以探讨CC与阑尾骨骼肌质量（ASM）和ASM指数（ASMI）之间的关系，并确定CC是否可用于诊断肌肉减少症。方法：这是一项对来自南非特洛奎市的247名老年黑人妇女进行的横断面研究。使用双能X射线吸收法测量ASM，并计算ASMI。根据低步态速度（2 ），采用接收者操作员特征曲线和最大尤登指数来确定肌肉减少症的CC截止点。结果：CC与ASMI之间呈强正相关（r？=？0.84，p？0.60。）结论：建议将30？cm CC作为预测，筛查或诊断低龄黑人女性少肌症的一种简单而廉价的方法。资源健康设置：一种可访问的，廉价的筛查或诊断工具可以促进及时干预和预防。

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