Table 1.
Characterizing information for patients and controls.
| Measure | Control Mean (SD) | Patient Mean (SD) | p-value |
|---|---|---|---|
| Age | 44.63 (10.38) | 44.43 (9.24) | 0.933 |
| Age at Illness Onset | - | 23.28 (7.854) | |
| Education (years) | 14.77 (2.43) | 12.80 (2.28) | 0.001 |
| Paternal Education (years) | 13.11 (4.65) | 13.88 (4.29) | 0.492 |
| Gender (M:F) | 14:17 | 25:15 | 0.145 |
| Race | 0.192 | ||
| African American | 9 | 16 | |
| Caucasian | 22 | 22 | |
| Other | 0 | 2 | |
| Antipsychotic Medication Regimen | |||
| Haloperidol or fluphenazine only | 8 | ||
| Clozapine only | 7 | ||
| Other second-generation only | 13 | ||
| Clozapine + another antipsychotic | 12 | ||
| Clinical Ratings | |||
| BPRS | - | 35.92 (8.61) | |
| SANS | - | 32.59 (15.78) | |
| Calgary Depression Scale | - | 3.28 (3.54) | |
| Standard Neuropsychology | |||
| Wechsler Test of Adult Reading | 109.77 (13.00) | 96.35 (17.53) | <0.001 |
| Verbal List Learning | 28.87 (4.49) | 21.58 (5.41) | <0.001 |
| Spatial Span Forward | 8.61 (1.98) | 6.85 (1.86) | <0.001 |
| Spatial Span Backward | 8.19 (1.25) | 6.08 (1.97) | <0.001 |
| Spatial Span Scaled Score | 11.52 (2.20) | 7.80 (2.91) | <0.001 |
| Letter-number Sequencing | 15.81 (3.24) | 11.90 (3.28) | <0.001 |