Table 1.
Demographic Characteristics, PD Status, and Cognitive and Executive Function
| Patients with PD | Control Participants | t | P | |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Sex | 7F, 3M | 8F, 4M | .62 | |
| Handedness | 9R, 1B | 11R, 1L | .71 | |
| Age (years) | 63.69 (4.40) | 62.55 (3.03) | 0.22 | .83 |
| Education (years) | 16.40 (0.52) | 15.58 (0.60) | 0.45 | .35 |
| PD status | ||||
| UPDRS IIIa | 9.22 (2.37) | – | ||
| Hoehn-Yahr | 1.6 (1.1) | |||
| Levodopa equivalent dose (mg) | 630.80 (99.76) | |||
| Cognitive function: general | ||||
| MOCAb | 27.60 (0.50) | 28.83 (0.42) | 1.90 | .07 |
| Executive function | ||||
| Trail Making (Parts B-A)a | 50.09 (12.31) | 28.35 (4.67) | −1.77 | .09 |
| Stroopb | 2.30 (1.50) | 0.77 (3.41) | −0.39 | .70 |
| Verbal Fluencyb | 38.50 (3.18) | 48.50 (4.13) | 1.86 | .08 |
| Digit Spanb | 16.90 (0.96) | 19.50 (1.08) | 1.76 | .09 |
| Wisconsin Card Sort Testb | 5.00 (0.67) | 5.75 (0.25) | 1.05 | .31 |
| Executive Function Compositeb | −0.24 (0.14) | 0.27 (0.15) | 2.26 | .03 |
Values are mean (SEM).
B = bilateral; F = female; L = left; M = male; R = right.
a
Lower score = better performance.
b
Higher score = better performance.