Table 1.
Study Results
| Variable | On/Off | Mean (±SD) | 95% CI | z1 | Probability >|z| |
| MoCA (total) | Off | 19.95 (5.56) | 16.8–23.2 | ||
| On | 20.0 (4.50) | 17.4–22.6 | 0.531 | 0.595 | |
| Dynamic Gait Index (total) | Off | 14.4 (7.01) | 9.38–19.42 | ||
| On | 17.5 (6.94 | 12.53–22.47 | 2.045 | 0.0412 | |
| Berg Balance Scale (total) | Off | 40.9 (9.67) | 33.99–47.81 | ||
| On | 46.5 (6.06) | 42.17–50.83 | 2.68 | 0.0072 | |
| Jebsen Hand Test (total) (non-dominant) | Off | 193.1 (111.6) | 113.2–272.9 | ||
| On | 217.3 (111.3) | 137.7–296.9 | 1.070 | 0.285 | |
| Jebsen Hand Test (total) (dominant) | Off | 131.2 (73.3) | 78.8–183.6 | ||
| On | 125.0 (57.1) | 84.1–165.8 | −0.459 | 0.647 | |
| Timed 25-foot Walk (average, two trials) | Off | 8.5 (3.6) | 5.9–11.1 | ||
| On | 8.1 (2.1) | 6.6–9.5 | .0153 | 0.879 | |
| Beck Depression Inventory II (total) | Off | 12.8 (9.7) | 5.9–19.7 | ||
| On | 10.4 (6.7) | 5.6–15.2 | −1.436 | 0.151 | |
| QuickDASH (disability/symptom score) | Off | 43.2 (27.5) | 23.5–62.8 | ||
| On | 37.3 (26.5) | 18.3–56.2 | −1.02 | 0.307 | |
| UHDRS-1 Motor (total motor score) | Off | 45.4 (10.4) | 38.0–52.8 | ||
| On | 36.1 (15.7) | 24.9–47.3 | −2.609 | 0.0092 | |
| UHDRS-1 Motor (max chorea) | Off | 18.4 (2.5) | 16.6–20.2 | ||
| On | 10.8 (5.5) | 6.9–14.7 | −2.814 | 0.0052 | |
| UHDRS-1 Motor total motor – max chorea | Off | 27.0 (9.9) | 19.9–34.1 | ||
| On | 25.3 (12.4) | 16.5–34.1 | −0.873 | 0.383 | |
| UHDRS-2 Cognition: Stroop Color-Word26 | Off | 7.72 (7.5) | .67–12.5 | ||
| On | 14.3 (3.6) | 11.5–17.1 | 2.191 | 0.0282 | |
| UHDRS-3 Behavior: Frequency and Severity | Off | 9.3 (10.5) | 4.5–22.3 | ||
| On | 13.4 (12.5) | 1.8–16.8 | 1.298 | 0.194 | |
| UHDRS-4 Functional Checklist | Off | 15.2 (5.3) | 11.4–19.0 | ||
| On | 17.0 (5.0) | 13.4–20.6 | 1.027 | 0.304 | |
| UHDRS-5 Independence Scale | Off | 67.0(10.3) | 59.6–74.4 | ||
| On | 74.5(13.0) | 65.2–83.8 | 0.0623 |