Side of (moderate or severe) degenerative changes in the cervical spine below C2 in patients with torticollis or laterocollis (n=12; note that 1 patient with left laterocollis had bilateral changes)
| Type of spasmodic torticollis | Side of degenerative changes | ||
|---|---|---|---|
| Right | Left | ||
| R torticollis or laterocollis | 5 | 1 | |
| L torticollis or laterocollis | 1 | 6 | |
R=Right; L=left; p = 0.015 (Fisher's exact test).