Table 1. Demographics and basic cognitive and clinical measures.
Welch’s t tests are reported except for the “MRI site” and “sex” variables where χ2 tests were performed.
| HC (n = 93) | SZ (n = 36) | P value | |
| Age, years, and mean (SD) | 33 (8.68) | 35.5 (8.87) | 0.16 |
| Sex, n male (%) | 59 (63.44%) | 26 (72.22%) | 0.46 |
| MRI site one, n (%) | 72 (77.42%) | 17 (47.22%) | 0.002 |
| Education, years, and mean (SD) | 15.16 (1.59) | 12.78 (1.4) | <0.001 |
| Head motion, RMS, and mean (SD) | 0.06 (0.03) | 0.08 (0.03) | 0.002 |
| Cognitive measures | |||
| Matrix reasoning | 20.43 (4.36) | 15.78 (4.68) | <0.001 |
| Letter/number sequencing | 21.05 (2.89) | 17.75 (3.59) | <0.001 |
| Vocabulary | 43.48 (8.66) | 32 (8.99) | <0.001 |
| Clinical measures | |||
| Brief psychiatric rating scale, average score (SD) | |||
| Positive symptoms | 2.8 (1.14) | ||
| Negative symptoms | 1.81 (0.76) | ||
| Mania/disorganization | 1.76 (0.76) | ||
| Depression/anxiety | 2.43 (1.15) | ||