Table 1. Means (and standard deviations) for the clinical variables for the two schizophrenia groups.

Clinical Variable	Risperidone-Treated Patients N = 21	Untreated Patients N = 6
Age, Years	44.9 (11.1)	48.6 (7.3)
Illness duration, Years	19.0 (10.9)	16.2 (11.1)
AIMS -- Abnormal Involuntary Movement Scale, Total Score	3.7 (3.5)	1.8 (3.2)
SAEPS -- Simpson-Angus EPS Scale, Total Score	4.3 (3.2)	1.8 (1.9)
BAS -- Barnes Akathisia Scale, Global Score	1.2 (1.1)	1.8 (1.3)
PANNS -- Positive and Negative Symptom Scale, Total Score	72.3 (15.5)	69.3 (9.6)
CDS -- Calgary Depression Scale, Total Score	14.4 (4.5)	15.0 (2.9)