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. 2021 Feb 11;14(4):34. doi: 10.3892/br.2021.1410

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Copyright: © Ichikawa et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Relationship between SARC-F score, CBMM and muscle factors. (A) Correlation analysis between SARC-F and GS. Females, R=-0.578, P<0.0001; males, R=-0.453, P<0.0001. Regression line for female GS based on SARC-F=17.51-1.567x SARC-F; regression line for male GS based on SARC-F=29.567-2.193x SARC-F. Females, R²=0.334; males R²=0.205. (B) Correlation analysis between SARC-F and SMI. Females, R=-0.132, P=0.0983; males R=-0.246, P=0.0076. Regression line for female SMI based on SARC-F=39.781-0.491x SARC-F; regression line for male SMI based on SARC-F=46.27-0.986x SARC-F. Females, R²=0.018; males R²=0.06. (C) Correlation analysis between SARC-F and CBMM. Females, R=-0.279, P<0.0001; males R=-0.296, P<0.0001. Regression line for female CBMM based on SARC-F=31.92-0.704x SARC-F; regression line for male CBMM based on SARC-F=43.636-0.961x SARC-F. Females, R²=0.078; males, R²=0.071. (D) Correlation analysis between CBMM and GS. Females, R=0.497, P<0.0001; males, R=0.548, P<0.0001. Regression line for female GS based on CBMM=-1.843+0.533x CBMM; regression line for male GS based on CBMM=-3.798+0.73x CBMM. Females, R²=0.247; males, R²=0.3. (E) Correlation analysis between CBMM and SMI. Females, R=0.546, P<0.0001; males, R=0.612, P<0.0001. Regression line for female SMI based on CBMM=17.438+0.704x CBMM; regression line for male SMI based on CBMM=15.052+0.728x CBMM. Females, R²=0.298; males, R²=0.375 in males. (F) Correlation analysis between SMI and GS. Females, R=0.352, P<0.0001; males, R=0.486, P<0.0001. Regression line for female SMI based on GS=32.251+0.465x GS; regression line for male SMI based on GS=33.396+0.455x GS. Females, R²=0.131; males, R²=0.236. O, males; +, females. CBMM, calculated body muscle mass; GS, grip strength; SMI, skeletal muscle index; F, females; M, males.