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Table 1 Descriptive data on the measured variables a,b

From: Association between body mass index and muscularity in healthy older Japanese women and men

Variables Women, n = 346 Men, n = 286
Age, years 69.4 ± 4.9 69.8 ± 4.7
Height, cm 150.1 ± 5.4 163.4 ± 6.0
Body mass, kg 53.6 ± 7.1 63.5 ± 8.
BMI, kg/m2 23.77 ± 2.77 23.76 ± 2.58
Muscle thickness, mm   
Forearm 19.1 ± 3.4 22.6 ± 4.2
Upper arm anterior 28.4 ± 3.8 33.3 ± 4.6
Upper arm posterior 26.9 ± 4.7 32.8 ± 5.1
Thigh anterior 38.1 ± 5.6 42.1 ± 6.1
Thigh posterior 56.6 ± 7.0 61.9 ± 7.5
Lower leg anterior 25.9 ± 2.8 28.7 ± 3.2
Lower leg posterior 59.5 ± 4.6 66.0 ± 5.6
Subscapular 18.2 ± 4.3 21.1 ± 4.7
Abdomen 7.6 ± 1.7 10.4 ± 2.1
SMTc, mm 280.3 ± 21.4 319.8 ± 27.7
TMMd, kg 13.8 ± 2.6 20.8 ± 3.7
TMM/ht2,e kg/m2 6.10 ± 0.99 7.77 ± 1.15
%TMMf 25.7 ± 3.1 32.7 ± 3.5
  1. aValues are mean ± SD.
  2. bAll listed variables except for age and BMI were significantly greater (P<0.0001) in men than in women.
  3. cSum of the muscle thickness values at nine sites.
  4. dEstimated total muscle mass.
  5. eTMM relative to height squared.
  6. fPercentage of TMM in body mass.