Table 3.
Comparison of patients with functional dystonia, tardive dystonia, and Meige syndrome.
| Type of Dystonia | Age (yr) | Duration (yr) | BFMDRS-M (max = 120), Mean ± S.D. | BFMDRS-D (max = 30) Mean ± S.D. | ||||
|---|---|---|---|---|---|---|---|---|
| Preoperatively | Postoperatively | Percent Improvement (%) | Preoperatively | Postoperatively | Percent Improvement (%) | |||
| Functional dystonia (n = 5) | 28.2 ± 9.3 *,†† | 3.3 ± 2.7 †† | 58.9 ± 10.7 † | 9.8 ± 12.6 | 82.6 ± 22.4 | 12.8 ± 2.4 | 3.2 ± 4.4 | 73.6 ± 37.8 |
| Tardive dystonia [30] (n = 6) | 44.5 ± 8.7 | 3.1 ± 2.2 †† | 30.8 ± 22.7 | 3.8 ± 3.8 | 85.5 ± 14.4 | 9.3 ± 4.8 | 1.8 ± 1.7 | 80.2 ± 12.2 |
| Meige syndrome [31] (n = 5) | 64.6 ± 7.2 | 12.4 ± 4.2 | 22.2 ± 12.4 | 3.1 ± 1.7 | 84.2 ± 6.8 | 11.2 ± 7.9 | 1.4 ± 1.5 | 89.4 ± 8.0 |
BFMDRS-M or -D: Burke-Fahn-Marsden dystonia rating score-motor scale or -disability scale. * p < 0.05 vs. Tardive dystonia, † p < 0.05, †† p < 0.01 vs. Meige syndrome. One-way ANOVA followed by the Games-Howell test was used.