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Table 1 Characteristics of the study population by gender

From: Low skeletal muscle mass is associated with arterial stiffness in community-dwelling Chinese aged 45 years and older

 

Men

Women

pa

N

6390

14,087

 

Age (years)

62.87 ± 8.07

60.30 ± 8.00

< 0.0001

High education level (%)

14.76

11.05

< 0.0001

Current smokers (%)

31.84

2.27

< 0.0001

Current alcohol user (%)

40.30

8.03

< 0.0001

Regular exercise (%)

20.09

18.41

< 0.0001

Type 2 diabetes (%)

11.07

9.86

< 0.0001

Hypertension (%)

30.76

26.65

< 0.0001

Height (cm)

168.6 ± 5.88

158.24 ± 5.35

< 0.0001

Weight (kg)

69.78 ± 10.52

61.13 ± 9.35

< 0.0001

BMI (kg/m2)

24.51 ± 3.23

24.39 ± 3.40

0.014

SMM (kg)

49.36 ± 6.18

38.13 ± 4.32

< 0.0001

LAMM (kg)

3.30 ± 0.48

2.50 ± 0.33

< 0.0001

RAMM (kg)

3.31 ± 0.49

2.49 ± 0.35

< 0.0001

LLMM (kg)

9.05 ± 1.28

7.00 ± 0.93

< 0.0001

RLMM (kg)

9.06 ± 1.27

6.99 ± 0.90

< 0.0001

TMM (kg)

24.65 ± 2.78

19.16 ± 1.96

< 0.0001

ASM (kg)

24.72 ± 3.47

18.98 ± 2.42

< 0.0001

ASMI (kg/m2)

8.68 ± 0.98

7.57 ± 0.78

< 0.0001

BFP (%)

23.50 (19.70, 26.90)

31.80 (28.50, 34.70)

< 0.0001

baPWV (cm/s)

1650.00 (1449.00, 1894.00)

1567.00 (1372.00, 1822.00)

< 0.0001

SBP (mmHg)

137.41 ± 19.00

135.87 ± 20.63

< 0.0001

DBP (mmHg)

81.32 ± 10.95

78.34 ± 11.14

< 0.0001

PP (mmHg)

58.00 ± 12.19

59.58 ± 13.13

< 0.0001

ABI

1.21 ± 0.012

1.18 ± 0.10

< 0.0001

MAP (%)

39.85 ± 3.93

42.50 ± 3.46

< 0.0001

UT (s)

144.00 (133.00, 160.00)

156.00 (142.00, 174.00)

< 0.0001

  1. Values are percentage, mean ± SD or medians (25th and 75th percentile)
  2. Abbreviations: BMI Body mass index, SMM Total muscle mass, LAMM Left arm muscle mass, RAMM Right arm muscle mass, LLMM Left arm muscle mass, RLMM Right leg muscle mass, TMM Trunk muscle mass, BFP total body fat percentage, ASM Appendicular skeletal muscle, ASMI Appendicular skeletal muscle index, baPWV Brachial-ankle pulse wave velocity, SBP Systolic blood pressure, DBP Diastolic blood pressure, PP Pulse pressure, ABI Ankle brachial index, MAP Mean artery pressure, UT Upstroke time
  3. aTest for difference between gender groups was performed using the Chi-square test for categorical variables, Kruskal–Wallis test for non-normally distributed continuous variables and T test for normally distributed continuous variables
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BMC Public Health

ISSN: 1471-2458

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