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首页> 外文期刊>International Journal of Environmental Research and Public Health >Comparison of Bioelectrical Impedance Analysis and Dual Energy X-ray Absorptiometry for Total and Segmental Bone Mineral Content with a Three-Compartment Model
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Comparison of Bioelectrical Impedance Analysis and Dual Energy X-ray Absorptiometry for Total and Segmental Bone Mineral Content with a Three-Compartment Model

机译：具有三室模型的生物电阻抗分析和双能X射线吸收测定法的比较

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Modern bioelectrical impedance analysis (BIA) provides a wide range of body composition estimates such as fat mass (FM), lean body mass (LBM), and body water, using specific algorithms. Assuming that the fat free mass (FFM) and LBM can be accurately estimated by the 8-electrode BIA analyzer (BIA 8MF ; InBody230, Biospace), the bone mineral content (BMC) may be calculated by subtracting the LBM from the FFM estimates based on the three-compartment (3C) model. In this cross-sectional study, 239 healthy Taiwanese adults (106 male and 133 female) aged 20–45 years were recruited for BIA and dual-energy X-ray absorptiometry (DXA) measurements of the whole body and body segments, with DXA as the reference. The results showed a high correlation between BIA 8MF and DXA in estimating total and segmental LBM, FM and percentage body fat (r = 0.909–0.986, 0.757–0.964, and 0.837–0.936, respectively). For BMC estimates, moderate to high correlations (r = 0.425–0.829) between the two methods were noted. The percentage errors and pure errors for BMC estimates between the methods ranged from 33.9% to 93.0% and from 0.159 kg to 0.969 kg, respectively. This study validated that BIA 8MF can accurately assesses LBM, FM and body fat percentage (BF%). However, the estimation of segmental BMC based on the difference between FFM and LBM in body segments may not be reliable by BIA 8MF .
机译：现代生物电阻抗分析（BIA）使用特定算法提供诸如脂肪质量（FM），贫体质量（LBM）和体水的各种身体成分估计。假设可以通过8电极BIA分析仪（BIA 8MF;在BIA 8MF; BIOS230，BIOSPACATE）可以通过从基于FFM估计中减去LBM来准确估计FAT FAIL BIA分析仪（BIA 8MF;体积计230，BMC）来精确估计FAT FREA（FFM）和LBM。在三室（3C）模型上。在这种横断面研究中，招募了239名健康台湾成人（106名男性和133名女性），招募了全身和身体区段的BIA和双能X射线吸收测量（DXA）测量，DXA为参考资料。结果表明，BIA 8MF和DXA在估计总和节段性LBM，FM和百分比体脂肪（r = 0.909-0.986,0.757-0.964和0.837-0.936）之间的高相关。对于BMC估计，注意到两种方法之间的中等至高相关（R = 0.425-0.829）。该方法之间BMC估计的百分比误差和纯误差范围为33.9％至93.0％，分别为0.159千克至0.969千克。本研究验证了BIA 8MF可以准确评估LBM，FM和体脂百分比（BF％）。然而，基于FFM和LBM之间的体段之间的差异BMC的估计可能不受BIA 8MF可靠的。

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