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Table 1 Baseline characteristics of studied groups

From: Metabolic signatures and potential biomarkers of sarcopenia in suburb-dwelling older Chinese: based on untargeted GC–MS and LC–MS

Characteristic

Sarcopenia group (n = 48)

Control group (n = 48)

P value

Age (years)

75.7 ± 5.8

74.1 ± 5.0

0.142

Sex (%)

 Male

39.6

39.6

1.000

 Female

60.4

60.4

 

ASM/Ht2 (kg/m2)

5.8 ± 0.8

7.0 ± 0.9

 < 0.001

Grip strength (kg)

18.0 ± 6.1

26.8 ± 6.8

 < 0.001

Walking test (m/s)

1.0 ± 0.3

1.2 ± 0.2

 < 0.001

BMI (kg/m2)

19.9 ± 2.3

25.0 ± 2.7

 < 0.005

MNA (score)

11.5 ± 1.3

13.3 ± 1.0

 < 0.001

IPAQ (Met-min/week)

1209(3268–7031)

1883(4473–9698)

0.165

GDS (score)

6.7 ± 5.1

5.2 ± 3.6

0.093

Illiteracy (%)

  

0.575

 No

81.3

87.5

 

 Yes

18.8

12.5

 

Widowed (%)

  

0.150

 No

68.8

83.3

 

 Yes

31.2

16.7

 

Farming (%)

  

0.306

 No

39.6

52.1

 

 Yes

60.4

47.9

 

Smoking (%)

  

0.142

 No

91.7

80.4

 

 Yes

8.3

19.6

 

Drinking (%)

  

0.162

 No

81.2

66.7

 

 Yes

18.8

33.3

 

Diabetes (%)

 No

79.2

79.2

 

 Yes

20.8

20.8

 

Hypertension (%)

  

1.000

 No

29.2

29.2

 

 Yes

70.8

70.8

 

Hyperlipidemia (%)

  

0.834

 No

62.5

60.4

 

 Yes

37.5

39.6

 

Stroke (%)

  

0.617

 No

93.8

97.9

 

 Yes

6.3

2.1

 

Heart disease (%)

  

0.883

 No

67.4

66.0

 

 Yes

32.6

34.0

 
  1. Data are presented as mean ± SD for continuous variables and n (%) for categorical variables