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Table 1 Anthropometric characteristics of the healthy young reference group and older study group by gender

From: The application of different appendicular skeletal muscle cutoff points and research definitions associated with health-related quality of life in Korean older people: data from KNHANES 2008–2011

 

Men

Women

 

Young reference group

≥65 years

Young reference group

≥65 years

Sample size (no.)

2096

1872

2607

2541

Weighted size (no.)

6392302

2152083

5580819

3126111

Age (years)

29 (18–39)

71 (65–93)

29 (18–39)

72 (65–97)

Height (cm)

173.67 ± 5.651

164.81 ± 5.745

160.61 ± 5.406

150.47 ± 5.764

Weight (kg)

71.39 ± 11.241

62.81 ± 9.485

56.04 ± 9.520

54.62 ± 9.044

Waist circumference (cm)

81.29 ± 9.250

84.62 ± 9.036

72.44 ± 9.011

83.25 ± 9.562

Body mass index (kg/m2)

23.65 ± 3.415

23.07 ± 2.925

21.72 ± 3.495

24.07 ± 3.398

Total fat mass (kg)

15.54 ± 6.248

14.32 ± 4.896

17.81 ± 5.782

18.85 ± 5.651

Total body fat percentage (%)

21.40 ± 6.020

22.56 ± 5.434

31.47 ± 5.585

34.13 ± 5.935

ASM (kg)

23.60 ± 3.190

19.44 ± 2.756

14.66 ± 2.228

13.36 ± 1.905

ASMI (kg/m2)

7.81 ± 0.909

7.14 ± 0.811

5.67 ± 0.777

5.89 ± 0.663

ASMI 2SD cutoff point

6.09

 

4.38

 

ASMI 1SD cutoff point

6.95

 

4.96

 

ASMI 20 cutoff point

 

6.48

 

5.33

  1. Weighted sample size reflects the number of objects and sample weights. Age is expressed as median (min-max). Other results are expressed as means ± SDs. ASM = appendicular skeletal muscle mass. ASMI = appendicular skeletal muscle index. Low ASMI groups were defined as subjects whose ASMIs were lower than the following three cut-off points: ASMI 2SD - the value of the lowest 2.28% of the gender-specific young reference group, ASMI 1SD - the value of the lowest 15.87% of the gender-specific young reference group, and ASMI 20 - the value of lowest 20% of the gender-specific old age study group.
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BMC Geriatrics

ISSN: 1471-2318

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