Table 1. Demographic and clinical information.
| Nagoya University | Toyama University | |||
|---|---|---|---|---|
| SCZ (n = 50) | CON (n = 51) | SCZ (n = 49) | CON (n = 48) | |
| Age at scan (years) | 38.8 (± 6.9) | 36.5 (±7.1) | 28.1 (± 5.0) | 26.9 (±3.3) |
| Sex (male/female) | 26/24 | 29/22 | 23/26 | 23/25 |
| Handedness (right/both/left) | 49/0/1 | 51/0/0 | 32/2/9 | 36/2/9 |
| Education | 13.4 (2.7) | 16.5 (1.5) | 13.7 (2.1) † | 17.3 (1.4) |
| Estimated IQ (JART) | 98.9 (10.2) | 108.0 (6.4) | 101.6 (10.2)‡ | 111.0 (5.9) |
| Onset age (years) | 24.1 (6.4) | 22.5 (5.1) | ||
| Duration of illness (years) | 14.7 (8.2) | 5.4 (4.8) | ||
| Dose of antipsychotics (CPZ equivalent) (mg) | 584.4 (406.6) | 441.9 (416.7) § | ||
| PANSS Total | 67.3 (23.5) | 64.6 (21.3) ¶ | ||
| PANSS Positive | 16.0 (6.3) | 13.4 (5.8) | ||
| PANSS Negative | 16.9 (6.8) | 18.2 (7.9) | ||
Data are presented as the mean (standard deviation). Abbreviations: Schizophrenia (SCZ), healthy control (CON), intelligence quotient (IQ), Japanese version of the National Adult Reading Test (JART), chlorpromazine (CPZ), Positive and Negative Syndrome Scale (PANSS)
† Information is missing for one patient.
‡ Information is missing for five patients.
§ Seven patients did not take antipsychotics.
¶ Information is missing for two patients.