Table 3.
T-tests comparing the z-scores of mean FA values for the TD and ADHD-I groups.
| FA mean value | TD (SD) | ADHD-I (SD) | t | p-Value | Cohen’s d |
|---|---|---|---|---|---|
| Anterior thalamic radiation L | 0.098 (0.915) | −0.108 (1.099) | −0.66 | 0.509 | 0.208 |
| Anterior thalamic radiation R | 0.014 (0.988) | −0.015 (1.038) | −0.97 | 0.923 | 0.029 |
| Corticospinal tract L | 0.069 (0.930) | −0.076 (1.091) | −0.46 | 0.645 | 0.143 |
| Corticospinal tract R | −0.221 (0.206) | −0.243 (1.412) | −1.52 | 0.136 | 0.022 |
| Cingulum (cingulate gyrus) L | −0.115 (1.134) | 0.127 (0.393) | 0.78 | 0.441 | 0.285 |
| Cingulum (cingulate gyrus) R | 0.078 (0.829) | −0.086 (1.176) | −0.53 | 0.600 | 0.161 |
| Cingulum (hippocampus) L | −0.125 (1.184) | 0.137 (0.754) | 0.88 | 0.402 | 0.264 |
| Cingulum (hippocampus) R | 0.724 (0.907) | −0.079 (1.114) | −0.48 | 0.628 | 0.791 |
| Forceps major | 0.024 (1.001) | −0.026 (1.024) | −0.16 | 0.873 | 0.049 |
| Forceps minor | 0.022 (0.994) | −0.024 (1.031) | −0.14 | 0.886 | 0.045 |
| Inferior fronto-occipital fasciculus L | −0.168 (1.142) | 0.184 (0.806) | 1.14 | 0.426 | 0.356 |
| Inferior fronto-occipital fasciculus R | 0.031 (1.018) | −0.034 (1.005) | −0.21 | 0.836 | 0.064 |
| Inferior longitudinal fasciculus L | −0.116 (1.063) | 0.127 (0.935) | 0.78 | 0.438 | 0.243 |
| Inferior longitudinal fasciculus R | 0.119 (0.297) | −0.131 (1.423) | −0.81 | 0.423 | 0.243 |
| Superior longitudinal fasciculus L | 0.023 (1.008) | −0.026 (1.017) | −0.16 | 0.876 | 0.048 |
| Superior longitudinal fasciculus R | 0.093 (0.909) | −0.103 (1.106) | −0.63 | 0.532 | 0.194 |
| Uncinate fasciculus L | 0.017 (1.011) | −0.019 (1.013) | −0.18 | 0.908 | 0.036 |
| Uncinate fasciculus R | 0.024 (0.995) | −0.026 (1.031) | −0.16 | 0.875 | 0.049 |
| Superior longitudinal fasciculus (temporal part) L | −0.117 (1.091) | 0.129 (0.898) | 0.79 | 0.432 | −0.246 |
| Superior longitudinal fasciculus (temporal part) R | 0.076 (0.952) | −0.083 (1.069) | −0.51 | 0.612 | 0.157 |
L, left; R, right; ADHD-I, attention-deficit/hyperactivity disorder inattentive type; TD, typically developing; t, T-test.
*Significant at p < 0.05.
**Significant at p < 0.01.