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Table 1 Comparison of baseline characteristics between the validated group and the elderly group

From: Estimation of prevalence of sarcopenia by using a new bioelectrical impedance analysis in Chinese community-dwelling elderly people

 

Validated group

Elderly group

p value

n

mean ± SD

n

mean ± SD

Age (year)

M

46

69.85 ± 7.03

419

69.10 ± 6.59

0.267

 

F

47

67.89 ± 6.11

435

68.52 ± 6.44

0.524

Height (cm)

M

43

163.85 ± 6.30

419

164.14 ± 6.16

0.770

 

F

47

153.00 ± 5.76

435

152.56 ± 5.99

0.636

Weight (kg)

M

43

67.14 ± 10.70

419

64.01 ± 9.16

0.037

 

F

47

55.32 ± 7.70

435

56.02 ± 8.64

0.594

BMI (kg/m2)

M

43

24.93 ± 3.11

419

23.72 ± 2.83

0.009

 

F

47

23.66 ± 3.28

435

24.04 ± 3.25

0.451

GS (m/s)

M

43

1.07 ± 0.19

418

1.08 ± 0.20

0.827

 

F

47

1.03 ± 0.15

435

1.02 ± 0.18

0.708

HS (kg)

M

43

35.50 ± 7.38

419

36.58 ± 7.08

0.346

 

F

47

23.29 ± 4.12

435

23.47 ± 4.58

0.792

ASM (kg)

      

BIA

M

43

19.72 ± 2.85

419

19.63 ± 2.95

0.830

 

F

47

13.86 ± 2.25

435

14.02 ± 2.36

0.667

DEXA

M

43

18.74 ± 3.16

0

*

 
 

F

47

13.37 ± 2.13

0

*

 

ASMI (kg/m2)

      

BIA

M

43

7.32 ± 0.69

419

7.26 ± 0.75

0.591

 

F

47

5.89 ± 0.66

435

5.99 ± 0.72

0.379

DEXA

M

43

6.95 ± 0.87

0

*

 
 

F

47

5.70 ± 0.77

0

*

 

Medical diagnoses

      

Hypertension

M

43

19 (44.2)

419

178 (42.5)

0.830

 

F

47

18 (38.3)

435

196 (45.2)

0.368

Diabetes

M

43

6 (14.0)

419

82 (19.6)

0.372

 

F

47

10 (21.3)

435

82 (18.9)

0.688

Thyroid diseases

M

43

0

419

2 (0.5)

1.000

 

F

47

0

435

4 (0.9)

1.000

Cardiac diseases

M

43

1 (2.3)

419

23 (5.5)

0.373

 

F

47

7 (14.9)

435

20 (4.6)

0.004

Renal diseases

M

43

0

419

6 (1.4)

1.000

 

F

47

2 (4.3)

435

7 (1.6)

0.216

Stroke

M

43

0

418

4 (1.0)

1.000

 

F

47

0

434

5 (1.2)

1.000

Cancer

M

43

1 (2.3)

419

3 (0.7)

0.324

 

F

47

0

435

2 (0.5)

1.000

COPD

M

43

0

419

5 (1.2)

1.000

 

F

47

1 (2.1)

435

7 (1.6)

0.563

Tuberculosis

M

43

0

419

9 (2.1)

1.000

 

F

47

0

435

1 (0.2)

1.000

Hepatic diseases

M

43

1 (2.3)

419

8 (1.9)

0.588

 

F

47

0

435

7 (1.6)

1.000

Smoking habits

M

43

12 (27.9)

419

118 (28.2)

0.972

 

F

47

0

435

13 (3.0)

0.626

Alcohol consumption

M

43

24 (55.8)

419

173 (41.3)

0.067

 

F

47

12 (25.5)

435

48 (11.1)

0.004

  1. *: no data; BMI body mass index, GS gait speed, HS handgrip strength, ASM appendicular skeletal muscle mass, ASMI appendicular skeletal muscle mass index, BIA bioelectrical impedance analysis, DXA dual energy x-ray absorptiometry, COPD chronic obstructive pulmonary disease; Using independent-samples t test for continuous variables and Pearson chi-square or Fisher exact test (where an expected cell count was < 5) for categorical variables. During testing, p < 0.05 was considered statistically significant
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BMC Geriatrics

ISSN: 1471-2318

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