Table 1.

Demographics and Clinical Characteristics

				Patients
	Controls	Placebo	25 µg Clonidine	50 µg Clonidine	75 µg Clonidine	150 µg Clonidine
Mean age (SEM)	36.5 y (1.5)	37.5 y (1.4)
Average PANSS scores (SEM)
Positive		13.0 (1.2)	14.0 (1.6)	12.7 (1.1)	13.8 (1.6)	12.5 (0.9)
Negative		14.3 (1.2)	15.6 (1.0)	15.4 (1.4)	15.4 (1.2)	14.3 (1.1)
General		25.4 (1.6)	27.1 (1.9)	25.1 (1.7)	25.7 (1.6)	24.4 (1.2)
Total		52.6 (3.4)	56.1 (3.4)	53.1 (3.4)	54.8 (3.9)	50.8 (2.4)

Note: Characteristics of patients and matched healthy controls, showing no significant differences in age between patients and controls, nor significant differences in PANSS scores in the patients over the 5 different test sessions.