Table 1.

Demographic and clinical variables of the subjects.

	Normal controls	Bipolar Disorder	Schizophrenia	F/t	P
Age	36.4 (10.5)	32.9 (11.9)	38.7 (10.6)	2.446	0.091
Sex (F/M)	20/38	10/17	15/28		0.973
Handedness (R/L)	23/2	23/1	51/6		0.482
PANSS total	N/A	56.1 (13.9)	62.3 (19.1)	1.504	0.136
PANSS positive	N/A	19.1 (6.6)	18.1 (7.3)	0.5638	0.574
YMRS	N/A	22.8 (10.3)	13.2 (8.3)	4.345	< 0.001**
MADRS	N/A	10.2 (5.2)	10.8 (8.2)	0.3653	0.716
CPZ equivalent	N/A	301.2 (326.0)	447.2 (429.5)	1.854	0.068
Lithium	N/A	13 (48.1 %)	7 (15.2 %)		0.006*
Anticonvulsants	N/A	13 (48.1 %)	10 (21.7 %)		0.035*

The following items had missing data: YMRS and MADRS (n=14), handedness (n=22), antipsychotic and anticonvulsant doses (n=12).