Limb fat-free mass and fat mass reference values by dual-energy X-ray absorptiometry (DEXA) in a 20-80 year-old Italian population

Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition
Alessandra CoinGiuseppe Sergi

Abstract

To establish reference values for limb composition, fat-free mass (FFM) and fat mass (FM) in Italian adults for gender-specific age brackets 20-80 years old and to assess age-related regional changes in body composition. A multicenter, retrospective study was conducted on 1571 healthy subjects, 1240 women and 331 men. Regional FFM and FM were measured by dual-energy X-ray absorptiometry. FM was expressed as % of limb weight. FFM in men diminished with age in both arms and legs, with reference ranges (25th -75th percentile) of 3.8-4.6 kg and 10.4-12.2 kg, respectively for 20-29 year-olds, and 3.1-3.9 kg and 8.2-10.4 kg for 70-79 year-olds. Women's arm FFM remained stable with aging (reference values 1.7-2.2 kg), decreasing in their legs (6.2-7.2 kg for 20-29 year-olds, 5.5-6.5 kg for 70-79 year-olds). Limb FM% increased with age in both genders: the reference values were 9-15% (arms) and 12-21% (legs) for 20-29 year-old men, and 19-26% and 19-29%, respectively, for 70-79 year-olds; for women's arms, they were 25-36% for 20-29 year-olds and 36-48% for 70-79 year-olds, while their leg FM remained the same with aging, i.e. 32-40%. These data complete the published reference values for whole body composition, enabling physiological ...Continue Reading

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Nov 1, 2012·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Alberto BazzocchiGiuseppe Battista
Feb 21, 2013·European Journal of Clinical Nutrition·M PourhassanM J Müller
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Aug 28, 2014·International Journal of Endocrinology·Cristiana CiprianiSalvatore Minisola
Mar 19, 2014·Primary Care Diabetes·Alberto BazzocchiGiuseppe Battista
Aug 31, 2014·Experimental Gerontology·Paola GueresiEmanuela Gualdi Russo
Aug 21, 2013·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Francesco LandiRoberto Bernabei
May 3, 2014·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Gianni BioloMaurizio Muscaritoli
Jan 30, 2015·Revista brasileira de reumatologia·Márcia Maria Marques Teles LoboMaria Eliana Madalozzo Schieferdecker
Nov 12, 2016·Nutrition in Clinical Practice : Official Publication of the American Society for Parenteral and Enteral Nutrition·Levi M TeigenCarrie P Earthman
May 23, 2014·Journal of Strength and Conditioning Research·Manoel E LixandrãoCleiton A Libardi
Jun 20, 2020·Nature Reviews. Disease Primers·John R KoetheJacqueline Capeau
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Nov 13, 2020·Diabetes, Metabolic Syndrome and Obesity : Targets and Therapy·A CordeiroA Ramalho

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