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Summary of patient characteristics
| Type of dystonia | Number of papers | Number of patients | Male:female | Mean age of dystonia onset |
|---|---|---|---|---|
| Blepharospasm | 10 | 378 | 2:5 | 46.9 years |
| Cervical | 25 | 2771 | 1:2 | 45.7 years |
| Laryngeal | 4 | 75 | 1:4 | N/A |
| Musician’s | 1 | 243 | 2:7 | 34.6 years |
| Oromandibular | 3 | 72 | 1:2 | 52.0 years |
| Segmental | 3 | 42 | 4:3 | 45.9 years |
| Generalized | 3 | 49 | 1:1 | N/A |
