Table 2.
Clinical characteristics of patients.
| Characteristics | Total numbers of patients | Results |
|---|---|---|
| Diagnosed/undiagnosed†, n (%) | 618 | 418/200 (67.6/32.4) |
|
| ||
| Age of onset (yrs) | 609 | 65.46 ± 10.36 |
|
| ||
| Disease duration (yrs) | 609 | 2.61 ± 2.95 |
|
| ||
| Duration of anti-Parkinsonian medication (yrs) | 324 | 2.56 ± 2.94 |
|
| ||
| Surgery history, n (%) | 618 | 3 (0.5) |
| Deep brain stimulation | 618 | 3 (0.5) |
| Others (pallidectomy and thalamotomy) | 618 | 0 (0) |
|
| ||
| Hoehn and Yahr Stage | 617 | 1‡ |
| Stage I, n (%) | 314 (50.9) | |
| Stage II, n (%) | 213 (34.5) | |
| Stage III, n (%) | 75 (12.2) | |
| Stage IV, n (%) | 3 (0.5) | |
| Stage V, n (%) | 12 (1.9) | |
|
| ||
| Major symptoms∗ | 618 | |
| Tremor | 336 (54.4) | |
| Bradykinesia | 277 (44.8) | |
| Rigidity | 143 (23.1) | |
| Postural instability | 73 (11.8) | |
| Gait disturbance | 349 (56.5) | |
| Nonmotor symptoms | 295 (47.7) | |
Values are mean ± SD or number (%). †Whether to diagnose at the time of initial stage. ‡Median value. ∗Overlapped symptoms included.