Table 1

Demographic data of the patients with schizophrenia

Patients treated with clozapine Patients treated with haloperidol Patients treated with olanzapine Normal control group
(n=21) (n=18) (n=17) (n 56)
I II III V
Gender (n)
Female 13 11 10 34
Age (years)
Mean (s.d.) 32.8 (8.7) 40.7(10.9) 34.0(9.53) 32.2(8.8)
Range 21-50 21-52 23-50 21-50
Smoking (n) 16 11 12 39
DSM-IV diagnosis (n)
Schizoaffective disorder 11 8 9
Paranoid schizophrenia 10 10 8
Duration of illness (years)
Mean (s.d.) 7.62(5.2) 6.2(5.4) 5.8(5.03)
Range 2-20 1-18 1-16
Treatment (mg/day)
Mean (s.d.) 400(94.87) 15.4(14.5) 14.8(4.5)
Range 200-600 5-60 7.5-20