Table 1.
Cervical dystonia participants.
| ID | Disease duration (years) | Direction of torticollis | Other symptoms | Overall severity of CD | Severity of torticollis | GDRS (neck) | Time since BoNT (months) |
|---|---|---|---|---|---|---|---|
| 1 | 5 | R | R-LC | 18 | Severe | 4 | NA |
| 2 | 13 | L | RC | 20 | Moderate | 7 | 2.5 |
| 3 | 3 | L | AC | 12 | Mild | 4 | 3.4 |
| 4 | 15 | R | L-LC | 18 | Slight | 4 | 4.4 |
| 5 | 2 | L | None | 18 | Moderate | 5 | 3.2 |
| 6 | 13 | R | None | 18 | Mild | 4 | 3.3 |
| 7 | 5 | R | R-LC | 18 | Slight | 4 | 3.0 |
| 8 | 9 | L | R-LC, R shift | 17 | Slight | 5 | 3.2 |
| 9 | 21 | R | AC | 7 | Mild | 3 | 2.9 |
| 10 | 10 | L | P shift | 16 | Slight | 5 | 2.7 |
| 11 | 2 | L | R-LC | 11 | Mild | 3 | 3.3 |
| 12 | 13 | R | AC | 13 | Mild | 6 | 11.0 |
| 13 | 24 | R | RC | 15 | Moderate | 6 | 2.8 |
| 14 | 26 | R | R-LC, AC | 23 | Moderate | 8 | 4.7 |
| 15 | 7 | R | L-LC, AC | 18 | Moderate | 7 | 26.0 |
| 16 | 8 | R | None | 16 | Severe | 8 | 3.0 |
The overall severity of CD was determined using the TWSTRS, while the severity of torticollis was taken only from item #1 in the same clinical scale.
AC, anterocollis; BoNT, botulinum toxin; GDRS, Global Dystonia Rating Scale; L, left; LC, laterocollis; NA, not applicable; P, posterior; R, right; RC, retrocollis; TWSTRS, Toronto Western Spasmodic Torticollis Rating Scale.