Table 1.
Characteristics of Participants
| Schizophrenia (n=39) | Controls (n=42) | Statistics | |
|---|---|---|---|
| Age, mean (SD) | 32.5 (6.9) | 30.5 (8.5) | F=1.34; p=0.250 |
| Sex | 20M/19F | 20M/22F | χ2=0.1; p=0.457 |
| Handedness | 36 right | 38 right | χ2=0.09; p=0.542 |
| Duration of illness (years) | 9.8 (7.1) | — | — |
| Education (years) | 11.6 (3.1) | 17.9 (3.7) | F=68.3; p<0.001 |
| PANSS-Positive | 18.9 (6.7) | — | — |
| PANSS-Negative | 20.8 (6.9) | — | — |
| PANSS-General | 41.2 (9.9) | — | — |
| Olanzapine equivalents (mg/d) | 18.9 (10.4) | — | — |
| Mental rotation accuracy (%) | 71.3 (17.8) | 84.8 (14.9) | F=13.1; p=0.001 |
Abbreviations: PANSS, Positive and Negative Syndrome Scale; SD, standard deviation.