TABLE 5
Comparison of CT Grading of Degenerative Facet Joint Disease and PET Grading (per Spinal Level)
Facet joint disease grade per CT
Mean PET grade ± SD
Mann–Whitney test
0
0.19 ± 0.47 (
n
= 182)
3
1.33 ± 1.57 (
n
= 54)
P
< 0.0001