Table 1.

Demographic and Clinical Characteristics of the Patients With Schizophrenia and the Normal Control Subjects

	Schizophrenia (n = 20)		Controls (n = 20)
Variables	Mean	SD	Mean	SD
Age (y)	26.81	4.777	25.55	2.460
Education (y)	14.62	1.987	15.40	1.635
IQ*	94.50	11.52	114.40	9.88
Subjects' SES	3.17	0.576	2.90	0.447
Parents' SES	2.96	0.475	3.00	0.649
PANSS total score	52.77	13.32	—	—
Positive score	14.23	4.780	—	—
Negative score	12.91	3.650	—	—
General score	27.09	5.748	—	—
Duration (y)	4.88	3.72	—	—
Onset (y)	22.48	5.66	—	—

Note: SES, socioeconomic state; PANSS, Positive and Negative Syndrome Scale.

^*P < .001.