Table 5.
Variation in clinical characteristics and treatment response of oromandibular dystonia by etiology in expert center cases.
| Characteristics |
Idiopathic
N = 121 n (%)/mean ± SD |
Tardive
N = 36 n (%)/mean ± SD |
Other
N = 16 n (%)/mean ± SD |
p -value |
|---|---|---|---|---|
| Age at dystonia onset | 54 ± 13 | 54 ± 15 | 46 ± 23 | 0.97 |
| Sex | 0.54 | |||
| Male | 36 (30%) | 9 (30%) | 6 (40%) | |
| Female | 85 (70%) | 27 (74%) | 10 (60%) | |
| Areas affected | ||||
| Lower face | 33 (27%) | 8 (21%) | 3 (20%) | 0.76 |
| Jaw | ||||
| Opening | 59 (49%) | 14 (40%) | 4 (26%) | 0.15 |
| Closing | 64 (53%) | 21 (57%) | 13 (80%) | 0.09 |
| Deviation | 17 (14%) | 4 (11%) | 1 (5%) | 0.56 |
| Tongue | 33 (27%) | 15 (43%) | 2 (10%) | 0.03 |
| BoNT | ||||
| Dose (Onabotulinum toxin A equivalent units) |
88 ± 64 | 73 ± 46 | 90 ± 75 | 0.48 |
| Toxin response | 0.56 | |||
| None | 5 (4%) | 0 | 0 | |
| >50% improvement | 96 (79%) | 27 (76%) | 13 (80%) |