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Table 4 Comparison of low bone mass condition between the comminuty population and a schizophrenic population in Taiwanese

From: Bone mass in schizophrenia and normal populations across different decades of life

 

prevalence of low bone mass [t < 1.0]

prevalence of severe low bone mass [t ≦ -2.5]

 

Schizophrenic population in Yuli area

Community population in Yuli area

Community-surveyed People in Kinmen, Taiwan, 2000–2003§

Schizophrenic population in Yuli area

Community people in Yuli area

Community-surveyed People in Kinmen, Taiwan, 2000–2003§

 

(%)

(%)

(%)

(%)

(%)

(%)

Age Strata

      

Male

      

20–29 y/o

54.2

50.0

-----

15.3

0

-----

30–39 y/o

42.9

33.3

-----

9.8

0

-----

40–49 y/o

37.3

33.3

35.5

6.8

3.3

3.9

50–59 y/o

46.8

50.0

42.5

13.0

10.7

7.1

> 60 y/o

48.4

55.8

55.8

6.4

25.3

16.9

Female

      

20–29 y/o

77.3

18.8

-----

50.0

0

-----

30–39 y/o

50.0

18.2

-----

26.2

0

-----

40–49 y/o

42.3

31.6

38.4

17.5

5.3

6.7

50–59 y/o

46.4

68.9

52.9

14.4

28.9

16.5

> 60 y/o

52.4

78.9

84.1

19.1

31.1

50.9

  1. Note: The above three population were screened for low bone mass using the same ultrasonography, QUS-II. The t-score was calculated using machine BUA value and adjusted as: (BUAindividual – 92.72)/13.36 for the male, and (BUAindividual – 87.90)/10.68 for the female. Those were based on the published reference§.
  2. §Nan-Ping Yang, Shao-Yuan Chuang, Shui-Hu Chen, Pesus Chou. Screening for low bone mass with quantitative ultrasonography in a community without dual X-ray absorptiometry: population-based study. BMC Musculoskeletal Disorders 2006;7:24.