Table 1.
Sample Demographics
| Patients (N=27) |
Healthy Volunteers (N=23) |
Statistical Test | df | p value | |
|---|---|---|---|---|---|
| Age (SD), years | 23.8 (5.4) | 26.3 (7.1) | t = 1.45 | 48 | NS |
| Sex (Male/Female) | 20M/7F | 11M/12F | χ2 = 3.63 | 1 | NS |
| Handedness (R, L)1 | 8/17 | 11/12 | χ2 = 1.26 | 1 | NS |
| Education (years)2 | 13.0 (1.8) | 14.9 (2.4) | t = 3.16 | 46 | .003 |
| Brief Psychiatric Rating Scale | 43.5 (6.3) | ||||
| MATRICS Consensus Cognitive Battery T Score3 | |||||
| Attention | 34.6 (10.7) | ||||
| Reasoning/Problem Solving | 44.8 (9.1) | ||||
| Social Cognition | 38.0 (10.2) | ||||
| Speed of Processing | 34.6 (8.4) | ||||
| Verbal Memory | 34.3 (6.1) | ||||
| Visual Processing | 40.1 (11.6) | ||||
| Working Memory | 40.1 (12.0) | ||||
| Overall Functioning | 31.8 (5.1) | ||||
| Antipsychotics received prior to MRI4 | |||||
| Risperidone | 22 | ||||
| Latuda | 1 | ||||
| Olanzapine | 2 | ||||
| Haloperidol | 1 | ||||
| Valproic Acid | 1 | ||||
| Quetiapine | 1 | ||||
| Ziprasidone | 1 |
Note: Means are provided with standard deviations in parentheses.
1
Data were unavailable for 2 patients.
2
Data were unavailable for 1 patient and 1 healthy volunteer.
3
Data were unavailable for 3 patients on the reasoning/problem solving, speed of processing, verbal functioning, visual functioning, and working memory domains. Five individuals were missing attention scores and 7 individuals (including 1 outlier > 3 SD from the mean) were missing social cognition scores.
4
Data were unavailable for 3 patients