Percentages of correct responses per group and displacement
| Displacement | Correct response (%) | p Value* | ||
|---|---|---|---|---|
| Controls | PD patients | |||
| ON | OFF | |||
| Values are mean (SD). | ||||
| *Kruskal–Wallis test. | ||||
| ON/OFF, on or off stimulation; PD, Parkinson’s disease. | ||||
| 0.2° | 28 (25) | 32 (25) | 30 (27) | 0.9 |
| 0.6° | 62 (31) | 31 (20) | 39 (30) | <0.001 |
| 1° | 78 (31) | 50 (29) | 50 (31) | <0.001 |
| 2° | 92 (14) | 74 (17) | 60 (30) | <0.001 |
| 3° | 95 (6) | 88 (14) | 71 (27) | <0.001 |
| 4° | 100 (0) | 88 (17) | 81 (25) | <0.001 |
| 5° | 99 (5) | 90 (10) | 86 (16) | 0.006 |
| 6° | 100 (0) | 96 (9) | 89 (13) | 0.003 |
| 7° | 99 (4) | 94 (7) | 86 (19) | 0.003 |
| 8° | 100 (0) | 92 (11) | 85 (21) | 0.001 |
| Total | 85 (29) | 73 (29) | 67 (31) | 0.0004 |