Thompson grade
|
1
|
2
|
3
|
4
|
P-value
|
---|
Number of discs
|
146
|
40
|
32
|
22
| |
NP T2 (ms)
|
121.6 ± 10.4
|
87.5 ± 16.4
|
64.2 ± 11.5
|
45.4 ± 7.9
|
<0.01
|
- Mean values (±standard deviation) of T2 relaxation time in milliseconds for NP for different Thompson grades are shown. NP: nucleus pulposus.