Table 2:

Control vs IDD comparisons by region*

Brain Region	Control vs IDD Mann-Whitney	Control vs IDD t test	Univariate Age Analysis	DQ Language	DQ Language Age Control	DQ Motor	DQ Motor Age Control
Frontal	0.714	0.801	0.847	0.788	0.901	0.562	0.949
Temporal	0.796	0.778	0.477	0.316	0.185	0.056	0.095
Parietal	0.788	0.785	0.956	0.852	0.980	0.509	0.869
Peritrigonal	0.846	0.750	0.883	0.086	0.059	0.197	0.295
FUF	0.940	0.942	0.255	0.317	0.315	0.575	0.187
TUF	0.867	0.850	0.858	0.846	0.746	0.532	0.751
PUF	0.731	0.739	0.992	0.744	0.841	0.276	0.481

Note:—IDD indicates idiopathic developmental delay; DQ, developmental quotient; FUF, frontal U-fibers; PUF, parietal U-fibers; TUF, temporal U-fibers.
* Numbers in the table are P values corresponding to the indicated tests comparing control and IDD groups by brain region.