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Table 2 Differences in body composition, muscle strength and physical function with age and gender

From: Estimation of prevalence of sarcopenia by using a new bioelectrical impedance analysis in Chinese community-dwelling elderly people

  Age group (year) Number ASM (kg) ASMI (kg/m2) HS (kg) GS (s)
Males 60–64 146 20.24 ± 0.26 7.43 ± 0.06 39.62 ± 0.54 1.12 ± 0.02
65–74 200 19.55 ± 0.20 7.23 ± 0.05 36.64 ± 0.46 1.09 ± 0.01
≥75 117 19.03 ± 0.27 7.09 ± 0.07 32.21 ± 0.63 0.99 ± 0.02
p    0.003 0.001 <0.001 <0.001
Females 60–64 162 14.55 ± 0.18 6.10 ± 0.06 25.06 ± 0.35 1.08 ± 0.01
65–74 226 14.13 ± 0.15 6.03 ± 0.05 23.40 ± 0.28 1.02 ± 0.01
≥75 94 12.76 ± 0.22 5.67 ± 0.07 20.80 ± 0.44 0.92 ± 0.02
p    <0.001 <0.001 <0.001 <0.001
  1. ASM appendicular skeletal muscle mass, ASMI appendicular skeletal muscle mass index, HS handgrip strength, GS gait speed, Using one-way ANOVA for continuous variables. During testing, p < 0.05 was considered statistically significant
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