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Identifying children at risk of developing childhood sarcopenic obesity often requires specialized equipment and costly testing procedures, so cheaper and quicker methods would be advantageous, especially in field-based settings. The purpose of this study was to determine the relationships between the muscle-to-fat ratio MFR and relative handgrip strength, and to determine the ability of handgrip strength relative to body mass index grip-to-BMI to identify children who are at risk of developing sarcopenic obesity. Grip-to-BMI was measured in 730 Czech children 4 to 14 yrs. Bioelectrical impedance was used to estimate body fat mass and skeletal muscle mass, from which the MFR was calculated.The area under the curve AUC was 0.791 95% CI 0.692–0.890, p ˂ 0.001 in girls 4–9; 0.789 95% CI 0.688–0.890, p ˂ 0.001 in girls 10–14 years old; 0.719 95% CI 0.607–0.831, p = 0.001 in boys 4–9; and 0.896 95% CI 0.823–0.969, p ˂ 0.001 in boys 10–14 years old. Calculated using the grip-to-BMI ratio, the OR 95% CI for girls to be at risk of sarcopenic obesity identified by MFR was 9.918 4.243–23.186, p ˂ 0.001 and was 11.515 4.280–30.982, p ˂ 0.001 for boys. The grip-to-BMI ratio can be used to predict the presence of sarcopenic obesity in children, which can play a role in pediatric health interventions.



Autor: Michal Steffl , Jan Chrudimsky , James J. Tufano

Fuente: http://plos.srce.hr/



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