Subscores of the modified Toronto western spasmodic torticollis rating scale in patients with idiopathic cervical dystonia before and after bilateral pallidal deep brain stimulation
| Postoperative | ||||||
|---|---|---|---|---|---|---|
| Max score | Preoperative | 3 months | 6 months | 12 months | Last follow up† | |
| *p<0.05; **p<0.01; ***p<0.005 (mean postoperative improvement v preoperatively). | ||||||
| †Mean of last follow up=20 months. | ||||||
| Total severity score | 32 | 20.5 | 12.7*** | 9.7*** | 9.2*** | 7.5*** |
| Total functional disability score | 60 | 40.5 | 18.5** | 17.2*** | 13.7*** | 12.7*** |
| Total pain score | 8 | 6 | 3.7 (NS) | 3.5 (NS) | 3.3* | 3* |