Facultad de Medicina, Andalucía Tech. Escuela de Medicina del Deporte, Universidad de Málaga, Campus de Teatinos, s/n, 29071, Málaga, Spain.
Departamento de Didactica de la Educacion Fisica y Salud, Universidad Internacional de La Rioja, Logrono, Spain.
Eur J Clin Nutr. 2018 Jul;72(7):1055-1057. doi: 10.1038/s41430-018-0129-7. Epub 2018 Mar 20.
The main goal of this study was to analyze the longitudinal agreement between changes in trunk and abdominal adiposity variables assessed by DXA and portable bioimpedance device (ViScan). A total of 44 women, enrolled in a 4-month exercise intervention, were included in this analysis. Trunk/abdominal compartments were assessed by ViScan and DXA. Adjusted correlations for age and FM at first assessment (pre) were utilized to perform concurrent validation among methods and completed with an agreement analysis. We observed significant differences between the changes detected by DXA and ViScan for %TFM (difference = -1.41%; p < 0.05), and proportional bias (Kendall's Tau = 0.53; p < 0.0001). Changes in abdominal adiposity were similar (difference = -0.1037 z-score units, p = 0.53), although there was proportional bias (Kendall's Tau = -0.24, p < 0.022). ViScan has a limited capability to evaluated changes in trunk and abdominal adiposity, at least for clinical purposes in adult women.
本研究的主要目的是分析通过 DXA 和便携式生物阻抗设备（ViScan）评估的躯干和腹部脂肪变量的纵向一致性。共有 44 名女性参加了为期 4 个月的运动干预，纳入本分析。通过 ViScan 和 DXA 评估躯干/腹部隔室。为了在方法之间进行同时验证，并完成一致性分析，利用首次评估（预）时年龄和 FM 的调整相关性。我们观察到 DXA 和 ViScan 检测到的 %TFM（差值=−1.41%；p<0.05）和比例偏差（Kendall's Tau=0.53；p<0.0001）之间存在显著差异。腹部脂肪的变化相似（差值=−0.1037 z 分数单位，p=0.53），尽管存在比例偏差（Kendall's Tau=−0.24，p<0.022）。ViScan 评估成年女性躯干和腹部脂肪变化的能力有限，至少在临床用途方面是如此。
