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Table 2 Effect sizes (d) compared to the 20–29 years group

From: Relationship between age and various muscle quality indices in Japanese individuals via bioelectrical impedance analysis (BIA)

Age group

Male

Female

65–74

75–84

85-

65–74

75–84

85-

UMM

0.40

1.02*

1.72*

0.13

0.06

0.55

LMM

1.43*

2.04*

2.79*

1.08*

1.34*

2.61*

AMM

1.24*

1.87*

2.63*

0.80*

1.08*

2.24*

SMI

0.87*

1.43*

2.15*

0.50*

0.69*

1.29*

AMM/BMI

2.09*

2.38*

3.00*

1.57*

1.43*

2.48*

Whole Body

PhA

1.74*

2.63*

3.12*

0.46*

0.77*

1.50*

IR

1.71*

2.69*

3.23*

0.52*

0.84*

1.67*

RR

1.72*

2.69*

3.28*

0.52*

0.85*

1.66*

Upper limb

PhA

0.64*

1.51*

1.86*

0.05

0.29

0.56*

IR

0.76*

1.62*

2.09*

0.19

0.40*

0.93*

RR

0.75*

1.63*

2.06*

0.18

0.39*

0.85*

Lower limb

PhA

2.62*

3.37*

4.36*

0.94*

1.32*

2.55*

IR

2.51*

3.31*

4.32*

0.86*

1.23*

2.42*

RR

2.52*

3.32*

4.34*

0.86*

1.22*

2.42*

  1. Asterisk indicates significant differences between the 20–29 years group by multiple comparisons
  2. UMM upper limb muscle mass, LMM lower limb muscle mass, AMM appendicular muscle mass, SMI skeletal muscle mass index, BMI body mass index, PhA Phase angle, IR impedance ratio, RR Resistance ratio
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Journal of Physiological Anthropology

ISSN: 1880-6805

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