Table 2.
Cortical volume and asymmetry indices of IFG sub-regions in FRS(＋), FRS(−) patients and healthy controls
| Brain region | FRS(＋) (n = 27) | FRS(−) (n = 24) | Controls (n = 52) | F | p value | Partial η2 |
|---|---|---|---|---|---|---|
| Right pars triangularis | 1.74 ± 0.5 | 1.9 ± 0.5 | 2.16 ± 0.69 | 4.12 | 0.02 | 0.08 |
| Left pars triangularis | 2.16 ± 0.63 | 2.12 ± 0.82 | 2.1 ± 0.57 | 0.21 | 0.81 | < 0.01 |
| Right pars opercularis | 1.7 ± 0.54 | 1.65 ± 0.44 | 1.73 ± 0.51 | 0.08 | 0.92 | < 0.01 |
| Left pars opercularis | 1.78 ± 0.4 | 1.6 ± 0.5 | 1.74 ± 0.52 | 1.41 | 0.25 | 0.03 |
| Asymmetry index pars triangularis | 10.82 ± 15.62 | 3.46 ± 19.49 | −0.47 ± 16.25 | 3.61 | 0.03 | 0.07 |
| Asymmetry index pars opercularis | 3.02 ± 13.96 | −1.9 ± 17.27 | 0.29 ± 15.87 | 1.33 | 0.27 | 0.03 |
Values are presented as mean ± standard deviation.
FRS(＋), schizophrenia with first rank symptoms; FRS(−), schizophrenia without first rank symptoms; IFG, inferior frontal gyrus.