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Table 2 Characteristic of participants; subgroup-analysis of obesity (BMI ≥ 25 kg/m2) N = 1995

From: Calf circumference as a screening tool for low skeletal muscle mass: Cut-off values in independent Thai older adults

 

Women (n = 1412)

Men (n = 583)

Variables

Normal

muscle mass

Low

muscle mass

P

Normal

muscle mass

Low

muscle mass

P

n (%)

1271 (90)

141 (10)

 

554 (95)

29 (5)

 

Age (years)

67.0 ± 4.9

69.9 ± 6.1

< 0.001

67.7 ± 5.3

71.1 ± 6.1

< 0.001

ASM/height2 (kg/m2)

6.5 ± 0.5

5.4 ± 0.3

< 0.001

7.6 ± 0.5

6.7 ± 0.2

< 0.001

HGS (kg)

21.2 ± 3.7

18.3 ± 3.3

< 0.001

32.1 ± 5.8

25.3 ± 4.9

< 0.001

Gait speed (m/s)

1.4 ± 0.2

1.3 ± 0.2

< 0.001

1.5 ± 0.3

1.4 ± 0.2

0.064

Weight (kg)

66.3 ± 4.2

57.9 ± 4.1

< 0.001

70.8 ± 8.6

68.2 ± 6.0

< 0.001

Height (m)

153.0 ± 5.1

148.4 ± 4.9

< 0.001

167.4 ± 5.5

160.2 ± 5.0

< 0.001

Waist (cm)

89.4 ± 8.2

86.0 ± 6.2

< 0.001

90.5 ± 8.5

94.8 ± 5.3

< 0.001

BMI (kg/m2)

28.0 ± 2.7

26.3 ± 1.1

< 0.001

27.3 ± 2.08

26.5 ± 1.2

< 0.001

Midarm circumference (cm)

27.6 ± 3.1

27.8 ± 2.3

< 0.001

28.3 ± 2.8

27.3 ± 1.7

< 0.001

Calf circumference (cm)

35.3 ± 2.7

0.134.5 ± 2.4

< 0.001

36.9 ± 2.5

35.3 ± 1.6

< 0.001

  1. Values were expressed as mean ± standard deviation or n (%)
  2. ASMI, appendicular skeletal muscle mass index; HGS, Handgrip strength BMI, body mass index