Ant-post diameter of SC (mm)

Interpedicular distance SC

Angle pedicle axis sup plateau of VB (degree)

M

W

Ave

M

W

Ave

M

W

Ave

L1

15.8

16.1

15.9

22.2

20.8

21.5

14.0

14.5

14.2

L2

14.9

15.4

15.1

22.5

21.1

21.8

12.3

13.4

13.1

L3

14.3

14.8

14.5

23.3

22.1

22.7

11.7

12.0

11.8

L4

14.7

14.9

14.8

24.6

23.3

24.0

10.2

10.3

10.3

L5

15.6

15.4

15.5

28.7

27.6

28.2

8.7

8.9

8.8