Clinical aspects of enrolled patients
| Clinical aspects | Patient number (percentage of total) |
|---|---|
| Side of first symptoms | Left, 13 (48%); right, 13 (48%); bilateral, 1 (4%) |
| Nature of first symptom | Tremor, 19 (70%); bradykinesia, 5 (19%); micrographia, 2 (7%) |
| Drug treatment | Pramipexole, 2 (7%); ropinirole, 2 (7%); levodopa, 1 (4%); no treatment, 22 (81%) |