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Article

Association of X-ray Absorptiometry Body Composition Measurements with Basic Anthropometrics and Mortality Hazard

1
Department of Civil Engineering, City College of New York, New York, NY 10031, USA
2
Associated Physicians/Endocrinology, Berkley, MI 48072, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Shane Norris
Int. J. Environ. Res. Public Health 2021, 18(15), 7927; https://doi.org/10.3390/ijerph18157927
Received: 14 June 2021 / Revised: 7 July 2021 / Accepted: 25 July 2021 / Published: 27 July 2021
Dual-energy X-ray absorptiometry (DEXA) is a non-invasive imaging modality that can estimate whole-body and regional composition in terms of fat, lean, and bone mass. We examined the ability of DEXA body composition measures (whole-body, trunk, and limb fat mass and fat-free mass) to predict mortality in conjunction with basic body measures (anthropometrics), expressed using body mass index (BMI) and a body shape index (ABSI). We used data from the 1999–2006 United States National Health and Nutrition Examination Survey (NHANES), with mortality follow-up to 2015. We found that all DEXA-measured masses were highly correlated with each other and with ABSI and that adjustment for BMI and ABSI reduced these dependencies. Whole-body composition did not substantially improve mortality prediction compared to basic anthropometrics alone, but regional composition did, with high trunk fat-free mass and low limb fat-free mass both associated with elevated mortality risk. These findings illustrate how DEXA body composition could guide health assessment in conjunction with the more widely employed simple anthropometrics. View Full-Text
Keywords: dual-energy X-ray absorptiometry; obesity; sarcopenia; risk assessment; anthropometry; body shape dual-energy X-ray absorptiometry; obesity; sarcopenia; risk assessment; anthropometry; body shape
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MDPI and ACS Style

Krakauer, N.Y.; Krakauer, J.C. Association of X-ray Absorptiometry Body Composition Measurements with Basic Anthropometrics and Mortality Hazard. Int. J. Environ. Res. Public Health 2021, 18, 7927. https://doi.org/10.3390/ijerph18157927

AMA Style

Krakauer NY, Krakauer JC. Association of X-ray Absorptiometry Body Composition Measurements with Basic Anthropometrics and Mortality Hazard. International Journal of Environmental Research and Public Health. 2021; 18(15):7927. https://doi.org/10.3390/ijerph18157927

Chicago/Turabian Style

Krakauer, Nir Y., and Jesse C. Krakauer 2021. "Association of X-ray Absorptiometry Body Composition Measurements with Basic Anthropometrics and Mortality Hazard" International Journal of Environmental Research and Public Health 18, no. 15: 7927. https://doi.org/10.3390/ijerph18157927

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