Table 1.
Subject characteristics of the Parkinson's disease patients
| Treatment groups | n | M:F | Age (years) | UPDRSa |
||
|---|---|---|---|---|---|---|
| OFF | ON | Change (%) | ||||
| Levodopa | 11 | 8:3 | 60.4 (10.1)b | 25.3 (8.0) | 15.7 (6.0) | −38.2 |
| Dyskinesia (−) | 8 | 6:2 | 57.6 (8.9) | 25.3 (9.3) | 15.6 (6.8) | −37.4 |
| Dyskinesia (+) | 3 | 2:1 | 67.7 (11.0) | 25.3 (4.6) | 16.0 (2.8) | −41.0 |
| STN DBS | 8 | 7:1 | 64.7 (7.1) | 31.6 (11.8) | 21.0 (10.2) | −35.2 |
| Test–retest | 8 | 4:4 | 65.1 (9.1) | 29.6 (13.8)c | ||
aComposite UPDRS motor ratings in a baseline state obtained 12 h after the cessation of antiparkinsonian medications (OFF) and in the treated state (ON).
bMean ± SD.
cTest–retest assessments in the ON state (see Materials and Methods).