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Table 2 Mean and standard deviation (SD) of vertebral height (mm) and % reduction values [(mean-vertebral height)/mean]

From: Association of vertebral compression fractures with physical performance measures among community-dwelling Japanese women aged 40 years and older

 

mean

SD

Mild

% reduction:

100*[1 - (mean-3SD)/mean] (%)

Severe

% reduction:

100*[1 - (mean-4SD)/mean] (%)

T4A

18.75

1.40

22.4

29.8

T5A

19.10

1.50

23.6

31.5

T6A

19.13

1.87

29.3

39.1

T7A

19.43

1.90

29.4

39.2

T8A

19.98

2.19

33.0

43.9

T9A

20.80

2.11

30.5

40.7

T10A

21.67

1.81

25.1

33.4

T11A

22.30

2.10

28.3

37.7

T12A

23.90

3.05

38.3

51.0

L1A

26.19

3.07

35.2

46.9

L2A

27.66

2.95

32.0

42.7

L3A

28.77

2.49

26.0

34.6

L4A

28.32

2.48

26.2

35.0

T4M

18.87

1.44

22.9

30.5

T5M

19.33

1.44

22.4

29.8

T6M

19.63

1.66

25.4

33.8

T7M

19.88

1.83

27.6

36.8

T8M

20.19

2.02

30.1

40.1

T9M

20.81

1.93

27.9

37.2

T10M

21.70

1.83

25.3

33.8

T11M

22.90

1.92

25.1

33.4

T12M

24.61

3.00

36.6

48.7

L1M

26.52

3.29

37.2

49.7

L2M

27.35

2.96

32.5

43.3

L3M

27.94

2.53

27.2

36.3

L4M

27.57

2.80

30.5

40.6

T4P

20.57

1.68

24.6

32.8

T5P

21.26

1.60

22.6

30.1

T6P

21.83

1.57

21.6

28.8

T7P

22.21

1.68

22.7

30.2

T8P

22.25

1.70

22.9

30.5

T9P

22.37

1.69

22.7

30.2

T10P

23.44

1.68

21.5

28.6

T11P

25.19

1.95

23.2

31.0

T12P

27.67

2.18

23.7

31.6

L1P

29.72

2.19

22.1

29.4

L2P

30.09

2.03

20.3

27.0

L3P

29.70

2.02

20.4

27.2

L4P

27.95

2.22

23.9

31.8