New body fat prediction equations for severely obese patients

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dc.contributor.author Horie, Lilian Mika
dc.contributor.author Gonzalez Barbosa-Silva, Maria Cristina
dc.contributor.author Torrinhas, Raquel Susana
dc.contributor.author Mello, Marco Tulio de [UNIFESP]
dc.contributor.author Cecconello, Ivan
dc.contributor.author Waitzberg, Dan Linetzky
dc.date.accessioned 2016-01-24T13:51:26Z
dc.date.available 2016-01-24T13:51:26Z
dc.date.issued 2008-06-01
dc.identifier http://dx.doi.org/10.1016/j.clnu.2008.03.011
dc.identifier.citation Clinical Nutrition. Edinburgh: Churchill Livingstone, v. 27, n. 3, p. 350-356, 2008.
dc.identifier.issn 0261-5614
dc.identifier.uri http://repositorio.unifesp.br/handle/11600/30699
dc.description.abstract Background & aims: Severe obesity imposes physical limitations to body composition assessment. Our aim was to compare body fat (BF) estimations of severely obese patients obtained by bioelectrical impedance (BIA) and air displacement plethysmography (ADP) for development of new equations for BF prediction.Methods: Severely obese subjects (83 female/36 mate, mean age = 41.6 +/- 11.6 years) had BF estimated by BIA and ADP. the agreement of the data was evaluated using Bland-Altman's graphic and concordance correlation coefficient (CCC). A multivariate regression analysis was performed to develop and validate new predictive equations.Results: BF estimations from BIA (64.8 +/- 15 kg) and ADP (65.6 +/- 16.4 kg) did not differ (p > 0.05, with good accuracy, precision, and CCC), but the Bland- Altman graphic showed a wide Limit of agreement (- 10.4; 8.8). the standard BIA equation overestimated BF in women (-1.3 kg) and underestimated BF in men (5.6 kg; p < 0.05). Two BF new predictive equations were generated after BIA measurement, which predicted BF with higher accuracy, precision, CCC, and limits of agreement than the standard BIA equation.Conclusions: Standard BIA equations were inadequate for estimating BF in severely obese patients. Equations developed especially for this population provide more accurate BF assessment. (C) 2008 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved. en
dc.format.extent 350-356
dc.language.iso eng
dc.publisher Churchill Livingstone
dc.relation.ispartof Clinical Nutrition
dc.rights Acesso restrito
dc.subject severe obesity en
dc.subject bioelectrical impedance en
dc.subject BOD POD en
dc.subject body composition en
dc.subject prediction equation en
dc.title New body fat prediction equations for severely obese patients en
dc.type Artigo
dc.contributor.institution Universidade de São Paulo (USP)
dc.contributor.institution Catholic Univ
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.description.affiliation Univ São Paulo, Sch Med, Digest Surg Div, Dept Gastroenterol, São Paulo, Brazil
dc.description.affiliation Catholic Univ, Dept Surg & Postgrad Hlth & Behav, Pelotas, Brazil
dc.description.affiliation Universidade Federal de São Paulo, Dept Psychobiol, São Paulo, Brazil
dc.description.affiliationUnifesp Universidade Federal de São Paulo, Dept Psychobiol, São Paulo, Brazil
dc.identifier.doi 10.1016/j.clnu.2008.03.011
dc.description.source Web of Science
dc.identifier.wos WOS:000257980300005



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