Comparison study of bioelectrical impedance analyzers for measuring lower limb muscle mass in middle-aged and elderly adults.

IF 4 2区农林科学 Q2 NUTRITION & DIETETICS Frontiers in Nutrition Pub Date : 2025-02-07 eCollection Date: 2025-01-01 DOI:10.3389/fnut.2025.1546499

Ai-Chun Huang, Hsueh-Kuan Lu, Chien-Wei Liang, Kuen-Chang Hsieh, Yi-Sung Tsai, Chung-Liang Lai

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Abstract

Objective: Lower limb muscle mass (LLMM) accounts for more than 50% of the total body skeletal muscle mass. Assessing leg muscle mass in middle-aged and elderly individuals is crucial for the prevention and diagnosis of sarcopenia. Current bioelectrical impedance analysis (BIA) devices are capable of measuring LLMM, but validation studies are limited. This study compares the accuracy of BIA devices with different frequencies for measuring LLMM in middle-aged and elderly populations.

Methods: LLMM measurements were obtained using the following devices: foot-to-foot dual-frequency (StarBIA201, 5, 50 KHz), multi-segment single-frequency (Tanita BC418, 50 KHz), dual-frequency (InBody270, 20, 100 KHz), triple-frequency (Tanita MC780MA, 5, 50, 250 KHz), and six-frequency (InBody770, 1, 5, 50, 250, 500, 1,000 KHz). Dual-energy X-ray absorptiometry (DXA) served as the reference standard. Comparisons were conducted using the following metrics: (1) mean difference (bias), (2) limits of agreement (LOA), (3) Pearson correlation coefficients, and (4) ordinary least product (OLP) regression analysis.

Results: A total of 153 community-dwelling individuals aged over 55 years (102 females, 51 males) were recruited. The average age of participants was 67.5 ± 8.9 years, with a BMI of 23.9 ± 3.9 kg/m² and a body fat percentage of 35.8 ± 6.5%. The correlation coefficients of StarBIA201, BC418, InBody270, MC780, and InBody770 with DXA were 0.902, 0.903, 0.917, 0.925, and 0.928, respectively. Their mean differences were -0.141, -2.731, -0.587, -1.613, and -0.625 kg, with LOAs of 4.3, 5.7, 4.0, 5.1, and 3.8 kg, respectively. StarBIA201 and InBody270 showed no fixed or proportional biases.

Conclusion: This study demonstrates that the four-electrode foot-to-foot BIA method shows significant practicality and potential in assessing LLMM. Compared to multi-frequency BIA and DXA, this method is simpler to operate and more convenient, making it particularly suitable for preliminary screening and assessment of sarcopenia in clinical and community settings.

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生物电阻抗分析仪测量中老年人下肢肌肉量的比较研究。

目的：下肢肌肉质量（LLMM）占全身骨骼肌质量的50%以上。评估中老年人的腿部肌肉质量对于预防和诊断肌肉减少症至关重要。目前的生物电阻抗分析（BIA）设备能够测量LLMM，但验证研究有限。本研究比较了不同频率BIA装置测量中老年人群LLMM的准确性。方法：使用以下设备获得LLMM测量：脚对脚双频（StarBIA201, 5,50 KHz），多段单频（Tanita BC418, 50 KHz），双频（InBody270, 20, 100 KHz），三频（Tanita MC780MA, 5, 50, 250 KHz）和六频（InBody770, 1,5,50, 250, 500, 1,000 KHz）。以双能x射线吸收仪（DXA）为参比标准。采用以下指标进行比较：(1)均差（偏倚），(2)一致限（LOA）， (3) Pearson相关系数，(4)普通最小积（OLP）回归分析。结果：共招募了153名年龄在55岁 以上的社区居民（102名女性，51名男性）。参与者的平均年龄为67.5 ± 8.9 岁，BMI为23.9 ± 3.9 kg/m2，体脂率为35.8 ± 6.5%。StarBIA201、BC418、InBody270、MC780、InBody770与DXA的相关系数分别为0.902、0.903、0.917、0.925、0.928。它们的平均差异分别为-0.141、-2.731、-0.587、-1.613和-0.625 kg， LOAs分别为4.3、5.7、4.0、5.1和3.8 kg。StarBIA201和InBody270没有固定或比例偏差。结论：本研究表明，四电极脚对脚BIA方法在LLMM评估中具有重要的实用性和潜力。与多频BIA和DXA相比，该方法操作简单、方便，特别适用于临床和社区中肌少症的初步筛查和评估。

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来源期刊

Frontiers in Nutrition Agricultural and Biological Sciences-Food Science

CiteScore

5.20

自引率

8.00%

发文量

2891

审稿时长

12 weeks

期刊介绍： No subject pertains more to human life than nutrition. The aim of Frontiers in Nutrition is to integrate major scientific disciplines in this vast field in order to address the most relevant and pertinent questions and developments. Our ambition is to create an integrated podium based on original research, clinical trials, and contemporary reviews to build a reputable knowledge forum in the domains of human health, dietary behaviors, agronomy & 21st century food science. Through the recognized open-access Frontiers platform we welcome manuscripts to our dedicated sections relating to different areas in the field of nutrition with a focus on human health. Specialty sections in Frontiers in Nutrition include, for example, Clinical Nutrition, Nutrition & Sustainable Diets, Nutrition and Food Science Technology, Nutrition Methodology, Sport & Exercise Nutrition, Food Chemistry, and Nutritional Immunology. Based on the publication of rigorous scientific research, we thrive to achieve a visible impact on the global nutrition agenda addressing the grand challenges of our time, including obesity, malnutrition, hunger, food waste, sustainability and consumer health.