Bioelectric phase angle in children with sarcopenic obesity
DOI:
https://doi.org/10.32782/2077-6594/2024.4/16Keywords:
Sarcopenic obesity, phase angle, children, bioimpedance analysis, sarcopenic indexAbstract
The aim of the study was to determine the characteristics of the phase angle (PA) in children with sarcopenic obesity and compare them with those of healthy children of the same age. Materials and methods. The study involved 118 children aged 11–13 years, divided into two groups: the main group (38 girls and 26 boys with sarcopenic obesity) and the control group (25 girls and 29 boys with normal body weight). Bioimpedance analysis was performed using the “TANITA MC-780 MA” analyzer to assess the Muscles to Fat Ratio (MFR) and PA. Results. In both groups, the main group had significantly lower PA values: by 1.04° in girls (p<0.01) and by 0.84° in boys (p<0.05). BMI did not show a significant difference between the groups, and no correlation was found between BMI and PA. A weak negative correlation was found between PA and MFR, as well as BF in girls (r = -0.33; p=0.045 and r = -0.31; p=0.039), and between PA and MFR in boys (r = -0.29; p=0.046). A positive correlation was found between PA and ASM, as well as between PA and the sarcopenic index (SI), with correlation coefficients of r = 0.58 (p=0.002) in girls and r = 0.64 (p=0.001) in boys. Conclusions. In children aged 11–13 years with sarcopenic obesity, phase angle values are significantly lower than in healthy children and positively correlate with the sarcopenic index.
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