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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Prevalence of and risk factors for sarcopenia in elderly Chinese men and women.
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Prevalence of and risk factors for sarcopenia in elderly Chinese men and women.

机译：中国老年男性和女性肌肉减少症的患病率和危险因素。

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BACKGROUND: Several studies have documented the substantial health and economic burdens associated with sarcopenia among the elderly, but there has been no systematic study among Asians. A cross-sectional survey of elderly community-dwelling Chinese volunteers (262 men and 265 women), aged 70 years and older, was undertaken in Hong Kong. The purposes of this study were to evaluate the prevalence of and risk factors for sarcopenia in elderly Chinese, and to compare these observations with those in white persons. METHODS: Muscle mass was estimated by dual-energy X-ray absorptiometry. In this study, sarcopenia was defined as a total adjusted skeletal muscle mass two standard deviations or more below the normal mean for young Asian men and women in this study. The relationship between risk factors (alcohol consumption, cigarette smoking, regular exercise, body mass index, medical conditions) and sarcopenia was studied by multiple logistic regression. RESULTS: The prevalence of sarcopenia was 12.3% in Chinese men and 7.6% in Chinese women aged 70 years and older, which was slightly lower than figures observed in white persons. Being underweight was a significant risk factor in both men (odds ratio, 39.1; 95% confidence interval, 11.3 to 134.6) and women (odds ratio, 9.7; 95% confidence interval, 2.8 to 33.8). No other risk factors were found in Chinese men or women. CONCLUSIONS: Sarcopenia exists among elderly Chinese men and women, albeit at a lower rate than in white persons. This may be due to the lower muscle mass among young men and women or to an attenuated rate of loss in muscle mass with aging in the Chinese elderly. Being underweight is a major risk factor for sarcopenia in both sexes.
机译：背景：多项研究已证明老年人肌肉减少症会给健康和经济带来沉重负担，但亚洲人尚未进行系统的研究。在香港，对年龄在70岁以上的居住在社区中的老年中国志愿者（262名男性和265名女性）进行了横断面调查。这项研究的目的是评估中国老年人肌肉减少症的患病率和危险因素，并将这些观察结果与白人进行比较。方法：通过双能X线吸收法评估肌肉质量。在这项研究中，肌肉减少症定义为该研究中亚洲年轻男性和女性的正常骨骼肌总质量比正常平均值低两个标准差或更多。通过多元逻辑回归研究危险因素（饮酒，吸烟，经常运动，体重指数，医疗状况）与肌肉减少症之间的关系。结果：70岁及以上的中国男性中，少肌症的患病率为12.3％，而中国女性中的少肌症的患病率为7.6％，略低于白人所观察到的数字。体重不足是男性（比值比为39.1; 95％的置信区间为11.3至134.6）和女性（比值比为9.7; 95％的置信区间为2.8至33.8）的重要危险因素。在中国男性或女性中未发现其他危险因素。结论：中国老年人男女中存在肌肉减少症，尽管其发病率低于白人。这可能是由于年轻男性和女性的肌肉质量降低，或者是由于中国老年人随着年龄增长而导致的肌肉质量流失率降低。体重不足是男女少肌症的主要危险因素。

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