Table 1.
Demographic and Clinical Characteristics of 363 ET Patients
| Age (years) | 67.4 ± 15.3, 18 - 95 |
|---|---|
|
| |
| Age group | |
| ≤30 years 1 | 11 (3.0) |
| 31 – 40 years | 22 (6.1) |
| 41 – 50 years | 18 (5.0) |
| 51 – 60 years | 29 (8.0) |
| 61 – 70 years | 95 (26.2) |
| 71 – 80 years | 129 (35.5) |
| ≥81 years | 59 (16.3) |
|
| |
| Female gender | 184 (50.7) |
|
| |
| White race | 341 (93.9) |
|
| |
| Education (years) | 15.1 ± 3.8 |
|
| |
| Tremor duration (years) | 23.0 ± 18.6, 1 – 81 |
|
| |
| Tremor duration group | |
| 0 – 10 years | 132 (36.4) |
| 11 – 20 years | 72 (19.8) |
| 21 – 30 years | 58 (16.0) |
| 31 – 40 years | 30 (8.3) |
| 41 – 50 years | 29 (8.0) |
| ≥50 years | 42 (11.6) |
|
| |
| Age of tremor onset (years) | 44.6 ± 22.6 |
|
| |
| Currently takes medication to treat ET | 196 (54.0) |
|
| |
| Family history of tremor 2 | 225 (62.0) |
|
| |
| Total tremor score on neurological examination | 18.9 ± 7.2 |
|
| |
| Head (neck) tremor on neurological examination | 140 (38.6) |
All values are mean ± standard deviation, range or number (%), unless otherwise specified.
1
All participants were ≥18 years of age.
2
First- or second-degree relative reported to have tremor.