| Clinical picture | Case number | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| Cervical pain | × | × | × | × | × | × | × | × |
| Quadriparesis | × | × | × | × | × | × | × | × |
| Sphincteric troubles | × | × |
|
| × | × |
|
|
| paraesthesia | × |
|
|
| × | × |
|
|
| respiratory troubles | × | × |
|
|
|
|
|
|
| Torticollis |
|
| × |
|
|
| × |
|