Table 3 Bilateral foraminal height and width in each sagittal slice for all age groups.

From: Changes in L4/5 Intervertebral Foramen Bony Morphology with Age

 

Height

Width

Young (10)

Middle Age (9)

Old (6)

Young (10)

Middle Age (9)

Old (6)

Right Inside Sagittal Slice

21.31 ± 3.11

21.76 ± 3.70

15.20 ± 5.71*#

8.75 ± 3.29

7.71 ± 1.34

8.30 ± 1.46

Left Inside Sagittal Slice

23.31 ± 3.69

21.85 ± 2.98

18.69 ± 3.12*#

8.16 ± 2.26

7.55 ± 1.38

6.94 ± 1.32

Right Middle Sagittal Slice

17.76 ± 2.47

18.49 ± 3.38

14.95 ± 4.10

10.59 ± 3.63

9.23 ± 1.61

9.85 ± 1.70

Left Middle Sagittal Slice

18.89 ± 2.26

18.70 ± 1.90

16.30 ± 3.52

9.58 ± 1.52

9.24 ± 1.26

8.92 ± 1.28

Right Outside Sagittal Slice

16.60 ± 1.37

17.11 ± 2.71

15.47 ± 4.02

14.04 ± 3.72

12.32 ± 2.27

12.21 ± 2.00

Left Outside Sagittal Slice

16.87 ± 2.22

17.14 ± 1.73

15.10 ± 4.16

12.78 ± 2.65

11.79 ± 1.76

10.29 ± 1.85

  1. *p < 0.05, compared to the young group.
  2. #p < 0.05, compared to the middle age group.