Table 2.
Descriptive statistics for DTI metrics
| 22q11.2DS | Control | |||
|---|---|---|---|---|
| M | SD | M | SD | |
| Left hemisphere | ||||
| UF FA | .589 | .036 | .591 | .027 |
| UF RD | .000467 | .0000424 | .000471 | .0000328 |
| UF AD | .00136 | .0000365 | .00138 | .0000342 |
| UF number of streamlines | 129.179 | 119.85 | 152.774 | 100.28 |
| IFOF FA | .691 | .025 | .662 | .029 |
| IFOF RD | .000373 | .0000282 | .000414 | .0000352 |
| IFOF AD | .00147 | .0000373 | .00148 | .0000292 |
| IFOF number of streamlines | 336.927 | 242.56 | 421.000 | 187.77 |
| CB FA | .608 | .032 | .599 | .032 |
| CB RD | .000429 | .0000338 | .000448 | .0000349 |
| CB AD | .00132 | .0000355 | .00135 | .0000350 |
| CB number of streamlines | 1228.754 | 398.591 | 1119.677 | 344.107 |
| ILF FA | .645 | .039 | .640 | .047 |
| ILF RD | .000423 | .0000535 | .000430 | .0000470 |
| ILF AD | .00143 | .0000514 | .00146 | .0000719 |
| ILF number of streamlines | 20.158 | 18.817 | 11.000 | 9.501 |
| SLF FA | .643 | .034 | .639 | .041 |
| SLF RD | .000418 | .0000498 | .000420 | .0000482 |
| SLF AD | .00141 | .0000496 | .00141 | .0000519 |
| SLF number of streamlines | 66.774 | 55.734 | 108.355 | 79.342 |
| Thalamo-frontal FA | .629 | .022 | .624 | .016 |
| Thalamo-frontal RD | .000407 | .0000218 | .000447 | .0000182 |
| Thalamo-frontal AD | .00132 | .0000288 | .00134 | .0000223 |
| Thalamo-frontal number of streamlines | 760.772 | 335.754 | 726.871 | 218.347 |
| Right hemisphere | ||||
| UF FA | .601 | .045 | .593 | .027 |
| UF RD | .000442 | .0000449 | .000456 | .0000295 |
| UF AD | .00133 | .0000322 | .00134 | .0000254 |
| UF number of streamlines | 144.036 | 114.118 | 236.581 | 142.907 |
| IFOF FA | .708 | .027 | .683 | .027 |
| IFOF RD | .000354 | .0000310 | .000386 | .0000312 |
| IFOF AD | .00147 | .0000359 | .00148 | .0000274 |
| IFOF number of streamlines | 350.255 | 2235.006 | 474.452 | 239.131 |
| CB FA | .609 | .027 | .588 | .029 |
| CB RD | .000421 | .0000304 | .000451 | .0000310 |
| CB AD | .00130 | .0000346 | .00132 | .0000298 |
| CB number of streamlines | 995.035 | 341.383 | 818.516 | 283.127 |
| ILF FA | .662 | .024 | .646 | .033 |
| ILF RD | .000396 | .0000307 | .000419 | .0000404 |
| ILF AD | .00140 | .0000588 | .00143 | .0000393 |
| ILF number of streamlines | 31.684 | 31.783 | 25.065 | 20.855 |
| SLF FA | .649 | .039 | .656 | .043 |
| SLF RD | .000399 | .0000370 | .000401 | .0000491 |
| SLF AD | .00139 | .0000582 | .00142 | .0000417 |
| SLF number of streamlines | 83.192 | 74.113 | 144.194 | 133.073 |
| Thalamo-frontal FA | .633 | .019 | .621 | .023 |
| Thalamo-frontal RD | .000401 | .0000223 | .000417 | .0000241 |
| Thalamo-frontal AD | .00132 | .0000226 | .00132 | .0000214 |
| Thalamo-frontal number of streamlines | 821.088 | 318.348 | 769.516 | 239.898 |
DTI, diffusion tensor imaging; 22q11.2DS, 22q11.2 deletion syndrome; UF, uncinate fasciculus; IFOF, inferior fronto-occipital fasciculus; CB, cingulum bundle; ILF, inferior longitudinal fasciculus; SLF, superior longitudinal fasciculus; FA, fractional anisotropy; RD, radial diffusivity; AD, axial diffusivity
Bonferroni corrected statistically significant differences indicated in italics