Table 1 Demographics and clinical characteristics of healthy control, genetic high risk, and schizophrenia in longitudinal study
|  | Healthy Control (n = 39) | Genetic High Risk (n = 26) | Schizophrenia (n = 21) | Statistic values | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Baseline | Follow-up | Baseline | Follow-up | Baseline | Follow-up | Baseline | Follow-up |
Demographic characteristic | ||||||||
 Age at scans (year) | 27.46 (7.39) | 30.59 (7.44) | 26 (7.29) | 28.38 (6.84) | 23 (8.06) | 25.05 (7.77) | F = 2.4, P = 0.97 | F = 3.9, P < 0.05 |
 Gender (male/female) | 14/25 | 20/6 | 7/14 | χ2 = 12.82, P < 0.05 | ||||
 Duration of MRI interval (month) | 29 (14.87) | 22.5 (11.48) | 25.43 (17.77) | F = 1.68, P = 0.19 | ||||
Clinical Characteristics | ||||||||
 Duration of illness (months) | N/A | N/A | 27.0 (38.95) | 51.94 (60.27) |  |  | ||
 Medication (yes/no) | N/A | N/A | 18/3 | 19/2 |  |  | ||
 BPRS | 18.67 (1.36) | 18.77(2.15) | 19.46 (2.99) | 18.85(1.59) | 28.14 (8.07) | 23.38(6.60) | F = 31.53, P < 0.001 | F = 12.47, P < 0.001 |