Table 2.
Morphometric measures of patients with generalized social phobia and healthy controls
Group; mean (SD)* |
||||
---|---|---|---|---|
Brain volume, mL | GSP p atients, n = 24 | Control s, n = 24 | Statistical test | p value |
Intracranial volume | 1552 (139) | 1550 (109) | t46 = −0.06 | 0.96 |
Total brain volume | 1225 (119) | 1233 (86) | t46 = 0.27 | 0.79 |
Amygdala | ||||
Left | 0.96 (0.14) [−17.2] | 1.16 (0.20) | F1,43 = 13.29 | 0.001 |
Right | 0.98 (0.19) [−9.3] | 1.08 (0.19) | F1,43 = 4.20 | 0.046 |
Hippocampus | ||||
Left | 2.79 (0.36) [−7.9] | 3.03 (0.26) | F1,43 = 8.08 | 0.007 |
Right | 2.97 (0.36) [−7.8] | 3.22 (0.34) | F1,43 = 6.39 | 0.015 |
GSP = generalized social phobia; SD = standard deviation.
Values in square brackets indicate the percentage difference in regional volume relative to controls.