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EVALUATION OF FAT-FREE MASS BY WHOLE-BODY COUNTER IN JAPANESE HEALTHY YOUNG ADULTS

机译:日本青年健康成年人全身体脂肪含量的评估

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摘要

Whole-body counters (WBCs) are special instruments for measuring internal irradiation doses and are usually housed within or around nuclear facilities in the event of unexpected radiation emergencies. As a substantial proportion of total body potassium (TBK) is found in fat-free mass (FFM), FFM volume can be predicted from WBC-measured ~(40)K. We screened TBK in Japanese healthy young adults using a WBC and found strong linear correlations between TBK and lean body mass (LBM) and body mass index (r = 0.97, P < 0.01 and r = 0.47, P < 0.01, respectively). Multiple linear regression analysis, following adjustments for sex, indicates that only LBM has a significant correlation with TBK (P < 0.01). These results strongly support the feasibility of using WBCs for estimating FFM.
机译:全身计数器(WBC)是用于测量内部辐射剂量的特殊仪器,通常在意外辐射紧急情况下安装在核设施内或核设施附近。由于在无脂脂肪(FFM)中发现了相当大比例的全身钾(TBK),因此可以根据WBC测得的〜(40)K来预测FFM的体积。我们使用WBC在日本健康的年轻人中筛选了TBK,发现TBK与瘦体重(LBM)和体重指数之间存在很强的线性相关性(分别为r = 0.97,P <0.01和r = 0.47,P <0.01)。进行了性别调整后,多元线性回归分析表明,只有LBM与TBK有显着相关性(P <0.01)。这些结果有力地支持了使用WBC估计FFM的可行性。

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