Table 3. Significant between-group differences in FA values in trauma-exposed victims with PTSD and healthy controls (P < 0.05, AlphaSim-corrected).
| Diffusion parameter | Region of white matter | Peak MNI coordinate |
Number of cluster voxels | Peak T value | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| FA | L-superior frontal gyrus, orbital part WM | -16 | 20 | -18 | 79 | -4.689 |
| L- superior temporal gyrus WM | -54 | -44 | 18 | 142 | -4.935 | |
| R- inferior occipital gyrus WM | 34 | -82 | -12 | 87 | -4.944 | |
L = left; FA = fractional anisotropy.
T < 0 indicates decreased FA values in trauma-exposed victims with PTSD