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Table 2 Subject characteristics (n = 199)

From: Correlation between bone mineral density and body composition in Japanese females aged 18–40 years with low forearm bone mineral density

Subject characteristics

Measurement values

Mean ± standard deviation

Range

Minimum

Maximum

Age (years)

33.5 ± 4.3

19

40

Age at menarche (years)

12.9 ± 1.2

10

18

Body height (cm)

158.1 ± 5.1

143.4

175.0

Body weight (kg)

49.6 ± 5.7

34.7

66.6

BMI (kg/cm2)

19.8 ± 2.1

15.9

27.4

BF%: by DXA (%)

27.7 ± 6.2

12.5

46.7

FM: by DXA (kg)

12.3 ± 4.0

5.0

27.4

LTM: by DXA (kg)

30.0 ± 2.9

20.2

38.3

Total body BMC (g)

1303.9 ± 163.2

937.9

1814.1

BMD of total body (g/cm2)

0.847 ± 0.050

0.734

0.989

BMD of lumbar spine (g/cm2)

0.969 ± 0.100

0.680

1.266

BMD of left arm (g/cm2)

0.621 ± 0.033

0.520

0.716

  1. DXA, Dual-energy X-ray absorptiometry; FM, fat mass; LTM, bone-free lean tissue mass; BMC, bone mineral content
  2. All values are given as the mean ± standard deviation. Head mass was excluded from FM, LTM, and total body BMC, respectively
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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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