Body composition measurement in young children using quantitative magnetic resonance: a comparison with air displacement plethysmography.
Pediatr Obes
; 13(6): 365-373, 2018 06.
Article
em En
| MEDLINE
| ID: mdl-29024557
ABSTRACT
BACKGROUND:
Quantitative magnetic resonance (QMR) has been increasingly used to measure human body composition, but its use and validation in children is limited.OBJECTIVE:
We compared body composition measurement by QMR and air displacement plethysmography (ADP) in preschool children from Singapore's multi-ethnic Asian population (n = 152; mean ± SD age 5.0 ± 0.1 years).METHODS:
Agreements between QMR-based and ADP-based fat mass and fat mass index (FMI) were assessed using intraclass correlation coefficient (ICC), reduced major axis regression and Bland-Altman plot analyses. Analyses were stratified for the child's sex.RESULTS:
Substantial agreement was observed between QMR-based and ADP-based fat mass (ICC 0.85) and FMI (ICC 0.82). Reduced major axis regression analysis suggested that QMR measurements were generally lower than ADP measurements. Bland-Altman analysis similarly revealed that QMR-based fat mass were (mean difference [95% limits of agreement]) -0.5 (-2.1 to +1.1) kg lower than ADP-based fat mass and QMR-based FMI were -0.4 (-1.8 to +0.9) kg/m2 lower than ADP-based FMI. Stratification by offspring sex revealed better agreement of QMR and ADP measurements in girls than in boys.CONCLUSIONS:
QMR-based fat mass and FMI showed substantial agreement with, but was generally lower than, ADP-based measures in young Asian children.Palavras-chave
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Base de dados:
MEDLINE
Assunto principal:
Pletismografia
/
Composição Corporal
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Espectroscopia de Ressonância Magnética
Limite:
Child, preschool
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Female
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Humans
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Male
País como assunto:
Asia
Idioma:
En
Ano de publicação:
2018
Tipo de documento:
Article