Clinical characteristics of dystonic movements in patients with primary (n = 132) and symptomatic dystonia (n = 51)
| Patients with symptomatic dystonia | Patients with primary dystonia | p Value | |
|---|---|---|---|
| * Statistically significant; values present ratio of affected v total number of patients, with percentage in parenthesis. | |||
| Tonic type of dystonic movement | 28/51 (55%) | 68/132 (52%) | 0.666 |
| Clonic (jerky) dystonic movement | 6/51 (12%) | 44/132 (33%) | 0.001* |
| Athetoid movements | 17/51 (33%) | 5/132 (4%) | 0.000* |
| Dystonic tremor | 12/51 (24%) | 79/132 (60%) | 0.000* |
| Dystonia at rest/action dystonia | 41/10 | 55/77 | 0.000* |
| Postural tremor | 11/51 (22%) | 17/132 (13%) | 0.143 |
| Other involuntary movements | 4/51 (8%) | 18/132 (14%) | 0.280 |
| Sensory tricks | 2/51 (4%) | 56/132 (42%) | 0.000* |
| Spreading of dystonia | 17/51 (33%) | 65/132 (49%) | 0.05* |
| Spontaneous remission | 2/51 (4%) | 34/132 (26%) | 0.001* |
| Diurnal fluctuations | 12/51 (24%) | 68/132 (52%) | 0.001* |
| Degree of disability | 48/51 (94%) | 129/132 (98%) | 0.069 |
| Pain | 32/51 (63%) | 67/132 (51%) | 0.145 |
| Head trauma | 2/51 (4%) | 6/132 (5%) | 0.853 |
| Peripheral injuries | 1/51 (2%) | 25/132 (19%) | 0.003* |