Table 4. Comparison of neurocognitive test scores between parent and control groups.
| FS parent | SS parent | Control | ANOVA | Tukey’s HSD test | |
|---|---|---|---|---|---|
| WIS-RC | |||||
| Verbal IQ | 96.15 (14.90) | 101.33 (15.60) | 104.42 (16.74) | F = 9.10** | FR-control p < 0.001** |
| SR-control p = 0.13 | |||||
| FR-SR p = 0.02* | |||||
| Performance IQ | 90.82 (13.47) | 92.09 (14.25) | 93.88 (14.26) | F = 1.74 | FR-control p = 0.42 |
| SR-control p = 0.18 | |||||
| FR-SR p = 0.73 | |||||
| IQ | 93.18 (13.71) | 96.89 (14.47) | 99.69 (14.78) | F = 6.94** | FR-control p < 0.001** |
| SR-control p = 0.13 | |||||
| FR-SR p = 0.08 | |||||
| WMS-RC | |||||
| Immediate logical memory | 6.99 (3.35) | 7.60 (3.52) | 9.65 (3.48) | F = 25.89** | FR-control p < 0.001** |
| SR-control p < 0.001** | |||||
| FR-SR p = 0.30 | |||||
| Delayed logical memory | 4.73 (3.57) | 5.22 (3.38) | 7.32 (3.53) | F = 25.60** | FR-control p < 0.001** |
| SR-control p < 0.001** | |||||
| FR-SR p = 0.47 | |||||
| VFT, valid words | 16.82 (3.90) | 18.25 (3.60) | 18.38 (4.51) | F = 5.73** | FR-control p = 0.004** |
| SR-control p = 0.95 | |||||
| FR-SR p = 0.009** | |||||
| Trail Test | |||||
| TMA: time to completion | 53.06 (14.97) | 52.85 (14.13) | 51.48 (13.14) | F = 0.64 | FR-control p = 0.62 |
| SR-control p = 0.59 | |||||
| FR-SR p = 0.99 | |||||
| TMB-M: time to completion | 86.89 (34.24) | 82.83 (23.74) | 76.43 (19.63) | F = 6.65** | FR-control p = 0.002** |
| SR-control p = 0.03* | |||||
| FR-SR p = 0.36 | |||||
| WCST -M | |||||
| Perseverative errors | 9.57 (7.18) | 8.21 (5.91) | 4.58 (3.14) | F = 36.32** | FR-control p < 0.001** |
| SR-control p < 0.001** | |||||
| FR-SR p = 0.09 | |||||
| Categories | 3.70 (1.82) | 4.11 (1.68) | 4.81 (1.22) | F = 19.60** | FR-control p < 0.001** |
| SR-control p < 0.001** | |||||
| FR-SR p = 0.07 | |||||
FS parent (FR), familial schizophrenia parent; SS parent (SR), sporadic schizophrenia parent; Mean (Standard Deviation, SD); *p < 0.05, **p < 0.005.