In vivo precision of the GE Lunar iDXA for the measurement of visceral adipose tissue in adults:the influence of body mass index

Mellis, M. G. and Oldroyd, B. and Hind, K. (2014) In vivo precision of the GE Lunar iDXA for the measurement of visceral adipose tissue in adults:the influence of body mass index. European Journal of Clinical Nutrition, 68 (12). pp. 1365-1367. ISSN 0954-3007

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Abstract

CoreScan is a new software for the GE Lunar iDXA, which provides a quantification of visceral adipose tissue (VAT). The objective of this study was to determine the in vivo precision of CoreScan for the measurement of VAT mass in a heterogeneous group of adults. Forty-five adults (aged 34.6 (8.6) years), ranging widely in body mass index (BMI 26.0 (5.2)  kg/m2; 16.7–42.4 kg/m2), received two consecutive total body scans with repositioning. The sample was divided into two subgroups based on BMI, normal-weight and overweight/obese, for precision analyses. Subgroup analyses revealed that precision errors (RMSSD:%CV; root mean square standard deviation:% coefficient of variation) for VAT mass were 20.9 g:17.0% in the normal-weight group and 43.7 g:5.4% in overweight/obese groups. Our findings indicate that precision for DXA-VAT mass measurements increases with BMI, but caution should be used with %CV-derived precision error in normal BMI subjects.

Item Type:
Journal Article
Journal or Publication Title:
European Journal of Clinical Nutrition
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2900/2916
Subjects:
ID Code:
87563
Deposited By:
Deposited On:
04 Sep 2017 08:26
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Jun 2020 05:51