Document Detail


Body composition in white adults by dual-energy x-ray absorptiometry, densitometry, and total body water.
MedLine Citation:
PMID:  8116529     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Percent body fat (%BF) and fat-free mass (FFM) were determined in 151 adults from the Fels Longitudinal Study by total body scans with a Lunar DPX (DXA), by underwater weighing and residual lung volume with a two-compartment model using body density (Dens), and total body water (TBW) using deuterium dilution. For the DPX, the medium scan mode ensures precision up to 100 kg body wt and for a ratio of weight to stature < or = 0.7214. Because of these specifications, 15% (n = 23) of the original sample of 151 were excluded. Results for 78 women and 50 men are presented. %BFTBW was significantly (P < 0.05) less than %BFDens in women (mean difference 2.7 +/- 4.2%) and %BFDXA in men (mean difference 2.2 +/- 4.3%). No other significant intermethod differences were observed for %BF and FFM estimates. Pairwise regressions showed the lowest SEEs for %BFDens regressed vs %BFDXA (2.3% for men, 3.2% for women) and for FFMDens vs FFMDXA (2.2 kg for men, 1.9 kg for women). For each sex, reliability analyses and limits of agreement for body composition estimates showed less agreement between TBW and either Dens and DXA than between Dens and DXA.
Authors:
R Wellens; W C Chumlea; S Guo; A F Roche; N V Reo; R M Siervogel
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  59     ISSN:  0002-9165     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  1994 Mar 
Date Detail:
Created Date:  1994-03-31     Completed Date:  1994-03-31     Revised Date:  2014-02-13    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  547-55     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Absorptiometry, Photon / methods
Adipose Tissue / anatomy & histology
Adult
Body Composition*
Body Height
Body Mass Index
Body Water*
Body Weight
Bone Density
Densitometry / methods
Deuterium
European Continental Ancestry Group
Female
Humans
Longitudinal Studies
Male
Radioisotope Dilution Technique
Sex Factors
Grant Support
ID/Acronym/Agency:
HD12252/HD/NICHD NIH HHS; HD27063/HD/NICHD NIH HHS; R01 HD012252/HD/NICHD NIH HHS
Chemical
Reg. No./Substance:
AR09D82C7G/Deuterium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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