Table 1.
Sociodemographic and clinic characteristics of the sample (41 patients with schizophrenia and 21 HC).
| SZ (n = 41) |
HC (n = 21) |
t/χ2 | 95% CI |
p | |||
|---|---|---|---|---|---|---|---|
| M (SD) n (%) | M (SD) n (%) | LL | UL | ||||
| Age | 37.78 (12.13) | 43.29 (11.53) | 1.62 | [−0.90 | 11.91] | 0.091 | |
| Sex | Female | 12 (29.27) | 15 (71.43) | 10.04 | 0.002 | ||
| Male | 29 (70.73) | 6 (28.57) | |||||
| Years of education | 13.33 (2.58) | 14.52 (1.94) | 1.95 | [−0.09 | 2.48] | 0.067 | |
| Handedness | Right | 35 (85.36) | 17 (80.95) | 1.99 | 0.371 | ||
| Left | 4 (9.76) | 4 (19.05) | |||||
| Both | 2 (4.88) | 0 (0.00) | |||||
| Race | Black | 25 (60.98) | 8 (38.10) | 2.92 | 0.087 | ||
| White | 16 (39.02) | 13 (61.90) | |||||
| Age of onset | 21.78 (8.17) | – | |||||
| Illness duration | 16.00 (11.95) | – | |||||
| DWI TR | 6700 ms | 37 (90.24) | 19 (90.48) | 0.001 | 0.977 | ||
| 6300 ms | 4 (9.76) | 2 (9.52) | |||||
| SGAs | Yes | 35 (85.37) | – | ||||
| No | 6 (14.63) | ||||||
| FGAs | Yes | 6 (14.63) | – | ||||
| No | 35 (85.37) | ||||||
| PANSS | Positive | 14.44 (6.17) | – | ||||
| Negative | 15.76 (5.53) | – | |||||
| General | 25.51 (5.75) | – | |||||
SZ, schizophrenia; HC, healthy controls; SD, standard deviation; n, sample size; t, Student t-test; χ2, Chi square; CI, confidence interval; LL, lower limit; UL, upper limit; DWI, diffusion weighted imaging; TR, repetition time; ms, milliseconds; SGAs, second-generation antipsychotics; FGA, first-generation antipsychotics; PANSS, positive and negative syndrome scale.