Age | 66.7 (9.1) | 62.7 (9.0) | 63.8 (10.1) |
Education (years)* | 12.2 (3.1) | 12.3 (2.5) | 14.5 (2.3) |
Sex | 13 M; 5 F | 15 M; 7 F | 8 M; 9 F |
Mini-Mental State Exam | 27.7 (2.1) | 28.4 (1.2) | 28.9 (0.9) |
Beck Depression Inventory | 14.2 (7.3)† | 9.4 (7.1) | 5.8 (5.1) |
Stage (Hoehn & Yahr) | 1.5 (0.7) | 1.5 (0.8) | |
Severity of motor symptoms | | | |
Tremor | 2.28 (1.9) | 1.23 (2.2) | |
Rigidity | 4.55 (4.1) | 3.23 (3.6) | |
Bradykinesia | 1.44 (0.8) | 1.02 (1.0) | |
Total severity score | 19.1 (11.7) | 16.0 (15.4) | |
Duration of illness (years) | 3.7 (2.9) | 4.1 (4.1) | |
Medication (number of patients) | | | |
Unmedicated | 3 | 3 | |
L-dopa | 10 | 13 | |
Dopamine agonists | 2 | 5 | |
MAO inhibitors | 7 | 7 | |
Anticholinergic | 3 | 2 | |