Table 2.
Brain regions where the relationship between age and volume was significantly different between participants with Down syndrome (DS) versus typical development (TD)
| Region of interest |
Group (DS versus TD) × Age Interaction |
||
|---|---|---|---|
| t | P -value | Difference in R 2 | |
| LILV |
4.31 |
3.25E-05 |
0.09 |
| RILV |
4.05 |
9.03E-05 |
0.10 |
| Left superior parietal |
-4.02 |
1.01E-04 |
0.08 |
| Left inferior parietal |
-3.97 |
1.23E-04 |
0.08 |
| Left pars orbitalis |
-3.82 |
2.11E-04 |
0.07 |
| Right post central gyrus | -3.67 | 3.58E-04 | 0.07 |
Difference in R2 is reported for full model that included age, sex, group and groupxage, versus the reduced model that included age, sex, and group.