Table 6 Comparison of imaging parameters between the good and poor prognosis groups

FJA (n, %)

29.315

<0.001

- ≥40°

34 (26.56%)

43 (67.19%)

- <40°

94 (73.44%)

21 (32.81%)

Facet Joint Axial Diameter (mm)

12.20 ± 1.71

12.87 ± 1.26

3.075

0.002

Facet Joint Sagittal Diameter (mm)

11.72 ± 1.20

12.64 ± 1.03

5.255

<0.001

Facet Joint Coronal Diameter (mm)

11.31 ± 1.91

12.93 ± 2.01

5.442

<0.001

Lamina Depth (mm)

52.73 ± 9.41

52.54 ± 9.33

0.132

0.895