Table 1 Test performance for SOPT, VCALT and SOPT/VCALT ratio of schizophrenia spectrum disorder patients and healthy control subjects
| Â | Schizophrenia spectrum disorders patients (n = 85) | Controls (n = 80) | Test statisticsa | |||||
|---|---|---|---|---|---|---|---|---|
|  | Mean (SD) | Median | 25–75th percentile | Mean (SD) | Median | 25–75th percentile | t | p |
SOPT (wrong answers) | 6.8 (2.4) | 7.0 | 5.0–8.0 | 3.4 (1.6) | 3 | 2.0–4.0 | 11.74 | <0.001 |
VCALT (right answers) | 18.5 (5.7) | 18 | 14.5–23.0 | 23.5 (4.2) | 24.0 | 21.0–26.0 | 6.40 | <0.001 |
SOPT/VCALT ratio | 0.42 (0.23) | 0.364 | 0.25–0.50 | 0.15 (0.09) | 0.125 | 0.09–0.20 | 12.32 | <0.001 |