Desenvolvimento e validação cruzada de equações preditivas de massa livre de gordura por bioimpedanciometria, para homens brasileiros de 20 a 59 anos de idade
Open accessAbstract
O objetivo do estudo foi desenvolver e validar equação preditiva de massa livre de gordura por bioimpedanciometria para homens da população brasileira. Foram avaliados 203 homens de 20 a 59 anos de idade, divididos aleatoriamente em dois grupos: desenvolvimento (102) e validação cruzada (101). A técnica padrão foi a Abortometria radiológica de dupla energia (DEXA). Teste t pareado, regressão múltipla e plotagem de Bland-Altman foram utilizados para testar a validade do modelo proposto. A equação derivada pelo estudo foi: MLG = 17,57 + 0,348 (Estatura2/Resistência) + 0,513 Massa Corporal – 0,283 Perímetro Abdominal + 0,079 Reatância – 0,038 idade; coeficiente de correlação de concordância – CCC = 0,937; r2= 0,89; erro padrão de estimativa – EPE = 2,55 kg; erro puro – EP = 2,51 kg. Com isso, a nova equação proposta proporciona estimativa válida da massa livre de gordura, sendo recomendada para homens com características semelhantes.
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In Brazil, two previous studies have developed equations to estimate FFM of men and women aged 20-59 years with high validity using DXA as a reference technique.
“In addition, in Brazil, two previous studies have developed equations to estimate the FFM of men (16) and women (17) aged 20–59 years, with high validity, using DXA as a reference technique.”
From Development and Cross-Validation of a Predictive Equation for Fat-Free Mass in Brazilian Adolescents by Bioelectrical Impedance (2022) · cites this paper as [16]
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Costa, R. F. D., Silva, A. M., Masset, K. V. D. S. B., Cesário, T. D. M., Cabral, B. G. D. A. T., Ferrari, G., & Dantas, P. M. S. (2022) · Frontiers in Nutrition · doi:10.3389/fnut.2022.820736 · Cited by 18 · see citing works
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The Body Adiposity Index is not applicable to the Brazilian adult population
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- Authors
- Costa, R. F., Masset, K. B., Sousa, E. C., Cabral, B. T., & Dantas, P. S.
- Affiliations
- Universidade Federal do Rio Grande do Norte (BR)
- Corresponding author
- Costa, Roberto Fernandes
- Venue
- Motricidade
- Publisher
- Desafio Singular, Lda
- Published
- 2018-12-30
- Volume
- 14
- Issue
- SI
- Pages
- 26-32
- ISSN
- 1646-107X (ISSN-L)
- 2182-2972
- OpenAlex
- W2909012892
- Cited by
- 4
- References
- 9
- Citations by year
- 2022: 3 · 2021: 1
- FWCI
- 0.17
- Type
- journal article
- Language
- pt
- Open access
- gold
- doi.org
- Licence
- Locations
- Motricidade (publishedVersion, cc-by-nc)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Revistas SARC
- Topics
- Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Keywords
- fat-free mass, bioimpedance, prediction equations, equation validation, men, Brazilian population, anthropometry, body composition, dual-energy X-ray absorptiometry, cross-validation
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