Table 2.
Demographic characteristics of the patients.
| Number of patients [N] | 58 |
| Age (years) [mean (SD)] | 46.2 (13.7) |
| Sex (women, men) [N (%)] | 42 (72.4), 16 (27.6) |
| Duration of symptom (years) [mean (SD)] | 4.1 (6.4) |
| Follow-up duration (months) [mean (SD)] | 16.8 (29.1) |
| Chief complaints [N (%)] | |
| Pain | 29 (50.0) |
| Discomfort | 19 (32.8) |
| Dysarthria | 16 (27.6) |
| Esthetic problem | 12 (20.7) |
| Masticatory disturbance | 9 (15.5) |
| Patterns of involuntary movements [N (%)] | |
| Jaw deviation | 43 (74.1) |
| Jaw closing | 29 (50.0) |
| Lip (pulling or deviation) | 20 (34.5) |
| Tongue (protrusion or deviation) | 18 (31.0) |
| Cervical (platysma or sternocleidmastoid) | 17 (29.3) |
| Jaw opening | 13 (22.4) |
| Around mouth | 12(20.7) |
| Around eye | 10 (17.2) |
| Facial | 8 (13.8) |
| Tremor (lip or palate) | 5 (8.6) |
| Jaw protrusion | 2 (3.4) |
| Others | 7 (12.1) |
| Characteristic clinical features of organic dystonia [N (%)] | |
| Stereotypy | 2 (3.4) |
| Task-specificity | 3 (5.2) |
| Sensory tricks | 11 (19.0) |
| Intraoral sensory tricks | 11 (19.0) |
| Chewing gum | 8 (13.8) |
| Foods | 3 (5.2) |
| Candy | 1 (1.7) |
| Tissue paper | 1 (1.7) |
| Gauze | 1 (1.7) |
| Extraoral sensory tricks | 6 (10.3) |
| Finger | 3 (5.2) |
| Hand | 3 (5.2) |
| Morning benefit | 10 (17.2) |
| Other dystonia [N (%)] | |
| Cervical dystonia | 12 (20.7) |
| Blepharospasm | 9 (15.5) |
| Writer's cramp | 2 (3.4) |
| Upper limb | 2 (3.4) |