Number of individuals |
19 |
|
Gender, n (%) |
Male |
2 (10.5%) |
Female |
17 (89.5%) |
|
Age at evaluation (years) |
Mean and standard deviation |
66.4 ± 13.1 |
Minimum-maximum |
29–88 |
|
Age at tremor onset (years) |
Mean and standard deviation |
59 ± 15.6 |
Minimum-maximum |
22–82 |
|
Duration of tremor (years) |
Mean and standard deviation |
7.4 ± 5.7 |
Minimum-maximum |
1–24 |
|
Type at onset, n (%) |
Abrupt |
1 (5.3%) |
Progressive |
18 (94.7%) |
|
Symptoms, n (%) |
Voice tremor |
19 (100%) |
Phonatory effort |
15 (78.9%) |
Decreased voice intensity |
18 (94.7%) |
|
Tremor improvement factor – alcohol, n (%) |
No |
14 (73.7%) |
Unknown |
5 (26.3%) |
|
Tremor aggravating factors, n (%) |
Coffee |
0% |
Emotional stress |
13 (68.4%) |
Physical stress |
5 (26.3%) |
|
Sites of tremor, n (%) |
Isolated voice tremor |
10 (52.6%) |
Limbs |
8 (42.1%) |
Head |
3 (15.8%) |
Face |
4 (21.1%) |