Table 1.

Demographic data

	Patients with schizophrenia (N=40)	Healthy participants (N=40)
Male/female, no	3	2 7/11
Age, yr †	26.8 (5.8)	28.0 (7.7)
Age, yr range	20-41	18-45
Height, cm †	179.3 (9.2)	182.5 (9.0)
Height, yr range	163-198	167-204
Weight (kg) †	76.3 (13.3)	74.3 (9.1)
Weight, kg range	55-110	57-92
Handedness – right /left /ambidexter, no	37/3/0	35/5/0
Level of education, yr †	10.4 (2.5)*	13.8 (2.2)
Parental level of education, yr †	13.6 (2.7)	13.6 (3.2)
Age at first symptoms, yr †	24.7 (5.6)
Age at first symptoms yr range	16.9-38.4
Duration of illness, mean (sd), months	25.1 (17.4)
Medication at time of the scan ‡¶
Typical antipsychotics, no	4
– median (range) Haldol eq.	3.5 (4.7)
Atypical antipsychotics, no	29
– median (range) Haldol eq.	7.1 (12)
No medication at time of scan, no	0
Cumulative medication†§
Typical antipsychotics no	1
– mean	106.5
Atypical antipsychotics no	22
– mean	6208.4 (6830.9)
Typical+Atypical antipsychotics no	13
– mean	10956.2 (9640.3)
PANSS positive symptoms	15.7 (5.6)
PANSS negative symptoms	15.6 (5.7)
PANSS general symptoms	31.0 (7.2)
PANSS total score	62.3 (15.8)
CAN total score	14.4 (7.9)

^*p<0.01

^†values are mean ± SD

^‡in 7 patients medication information was unavailable

^¶haloperidol, broomperidol, pipamperon, thioridazine, flufenazine, perfenazine, zuclopentixol, penfluridol, pimozide, fluspirilen, largactil and flufenazine were considered typical antipsychotic drugs; clozapine, risperidone, olanzapine, and sertindole were considered atypical antipsychotic drugs.

^§in 4 patients cumulative medication use was unavailable.