WHOLE BODY MEASUREMENTS OF BONE AND SOFT TISSUE BY DEXA

这项研究的目的是比较列出的两种测量骨密度和软组织读数的仪器(这是目前使用的两种主要仪器)。这是为了评估下一次NHANES数据收集工作的方法。国家卫生统计中心要求这位调查员进行这项比较。50名年龄在20-80岁的人将在这个地点进行研究(USCF还将研究另外50人)。当天将执行扫描。数据分析被清楚地勾勒出来，并基于附加在议定书上的通信，呈现了检测重大差异的能力。本次研究圆满完成。所有志愿者都被录入并对数据进行分析。这些数据被用来帮助国民健康体检调查决定是否在下一次NHANES调查中使用霍奇双能X射线吸收测量仪进行身体成分分析。

The objective of this study is to compare the two instruments (these are the two major instruments currently in use) listed for the measurement of bone mineral density and soft tissue readings. This is being performed to evaluate the methods for the next NHANES data collection effort. The investigator has been asked by the National Center for Health Statistics to perform this comparison. Fifty individuals aged 20-80 will be studied at this site (an addition 50 from USCF will also be studied). Same day scans will be performed. The data analysis is clearly outlined and based on correspondence attached to the protocol, the power to detect significant differences is present. This study was successfully completed. All volunteers were entered and the data analyzed. This data is used to help the National Health Examination Survey determine whether to use hologic dual energy x-ray absorptiometry equipment to perform body composition analysis in the next NHANES Survey.