| Clinical or Radiographic Variable | No. of patients |
| Clinical Parameters |
|
| Sensory symptoms | 14 |
| Motor weakness | 17 |
| Bladderdysfunction | 3 |
| Spinelevels |
|
| Cervical spine | 12 |
| Thoracicspine | 20 |
| Lumbar spine | 6 |
| Craneo Cervical junction | 2 |