Table 1

Measures of dyskinesias and parkinsonism on 25 mg quetiapine and placebo

MeasuresBaseline mean (SD)Placebo mean (SD)% changeQuetiapine mean (SD)% changep Value for difference drug/placebo (two tailed)
AIM, Abnormal Involuntary Movement Scale; UPDRS, Unified Parkinson’s disease rating scale.
Per cent changes are the mean of person specific percentage changes, calculated in relation to person specific baseline measurements.
Video ratings
    AIMS score8.36 (2.83)8.41 (2.92)+1.08.02 (3.2)−2.90.21
    Goetz score1.57 (0.5)1.52 (0.47)−8.01.49 (0.52)−5.30.85
    Lang & Fahn scale (score)1413.513.50.92
    UPDRS item 32 (score)1.61.81.50.48
    UPDRS item 33 (score)1.91.61.90.16
VAS three days
    Severity (cm/day)37.222.7−36.622.4−38.80.89
    Duration (% of waking day)63.260.7−4.249.4−10.10.67
L-dopa challenges
    UPDRS part 3 “off”37.8 (5.47)38.1 (6.15)+0.833.8 (8.97)−10.60.17
    UPDRS part 3 “on”18.1 (10.64)14.9 (6.62)−17.715.6 (5.78)−13.80.50
Diary 3 days
    Off duration (hours/day)3.3 (1.89)3.3 (1.83)2.7 (1.83)0.44