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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 volume 68, pages 1365–1367 (2014)Cite this article

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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.

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Authors and Affiliations

  1. Carnegie Faculty, Leeds Metropolitan University, Headingley Campus, Leeds, UK

    M G Mellis & K Hind

  2. Division of Medical Physics, University of Leeds, Leeds, UK

    B Oldroyd

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  1. M G Mellis
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  2. B Oldroyd
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  3. K Hind
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Correspondence to M G Mellis.

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Mellis, M., Oldroyd, B. & Hind, K. In vivo precision of the GE Lunar iDXA for the measurement of visceral adipose tissue in adults: the influence of body mass index. Eur J Clin Nutr 68, 1365–1367 (2014). https://doi.org/10.1038/ejcn.2014.213

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  • DOI: https://doi.org/10.1038/ejcn.2014.213

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