Table 1 Demographic and clinical characteristics of subjects for each gender
From: Altered sulcogyral patterns of orbitofrontal cortex in a large cohort of patients with schizophrenia
Healthy Subjects | Patients with Schizophrenia | t or χ2 | p | |
---|---|---|---|---|
Male subjects | N = 185 | N = 94 | ||
Age (years) | 36.3 ± 13.0 | 34.3 ± 10.9 | 1.9 | 0.22 |
Education (years) | 15.4 ± 2.3 | 14.4 ± 2.6 | 3.4 | 0.01 |
IQ | 111.8 ± 12.1 (N = 181) | 88.6 ± 18.1 (N = 81) | 12.0 | <0.001 |
Handedness (right/left) | 171/14 | 88/6 | 0.1 | 0.81 |
Onset (years) | 23.7 ± 8.3 | |||
Duration of illness (years) | 10.6 ± 8.8 | |||
PANSS positive | 14.5 ± 5.1 (N = 92) | |||
PANSS negative | 18.7 ± 5.6 (N = 92) | |||
Chlorpromazine equivalent dose (mg) | 580.8 ± 554.2 | |||
Female subjects | N = 190 | N = 61 | ||
Age (years) | 36.8 ± 12.6 | 37.9 ± 13.0 | −0.6 | 0.59 |
Education (years) | 14.6 ± 2.2 | 13.7 ± 2.2 | 2.6 | 0.01 |
IQ | 108.2 ± 12.2 (N = 187) | 83.3 ± 16.3 (N = 45) | 11.5 | <0.001 |
Handedness (right/left) | 182/8 | 59/2 | 0.1 | 1.00 |
Onset (years) | 24.7 ± 10.2 | |||
Duration of illness (years) | 13.1 ± 9.9 | |||
PANSS positive | 14.3 ± 4.6 (N = 58) | |||
PANSS negative | 16.3 ± 5.8 (N = 58) | |||
Chlorpromazine equivalent dose (mg) | 637.2 ± 604.5 |