文章基本信息

标题：Phase angle as a screening method for sarcopenia in community-dwelling older adults
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作者：Lidiane Barbosa SANTIAGO ; Anna Karla Carneiro RORIZ ; Carolina Cunha de OLIVEIRA 等
期刊名称：Revista de Nutrição
印刷版ISSN：1415-5273
电子版ISSN：1678-9865
出版年度：2022
卷号：35
页码：1-8
DOI：10.1590/1678-9865202235200243
语种：English
出版社：Revista de Nutrição
摘要：We investigated the utility of the phase angle as a screening tool for sarcopenia.We performed a cross-sectional study that included 169 active community-dwelling elderly women. The phase angle was determined using tetrapolar bioelectrical impedance, and sarcopenia was diagnosed based on skeletal muscle mass, muscle strength, and physical performance using bioelectrical impedance analysis, a handheld dynamometer, and the gait speed test, respectively. Receiver operating characteristic curve analysis was performed to investigate the role of the phase angle as a predictor of sarcopenia.The prevalence of sarcopenia was 12.4%. The median phase angle was 5.30°; elderly women with sarcopenia had lower phase angles than those without sarcopenia (p=0.006). The phase angle cutoff for the detection of sarcopenia was ?5.15°, with an area under the curve of 0.685, sensitivity 81.0%, specificity 60.8%, and accuracy 63.31%. Elderly women with a low phase angle show a high risk of presenting with reduced muscle mass.The phase angle was shown to be a useful screening tool in elderly women with sarcopenia.
关键词：Aged; Electric Impedance; Sarcopenia