Article Figures & Data
Tables
Frontal Lobe Temporal Lobe Parietal Lobe Peritrigonal Area Grade Prerolandic Polar Convolution I-II Lateral Polar Postrolandic Gyri Posterior Superior 0 − − − − − − − − − 1 + − − + − + − + − 2 + + − + + + + + + 3 + + + * The scoring system is binary (0, not myelinated; 1, myelinated).
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.
Brain Region Kappa Agreement Rating* Frontal 0.268 Fair Temporal 0.144 Slight Parietal 0.339 Fair Peritrigonal −0.047 Poor FUF 0.313 Fair TUF 0.343 Fair PUF 0.300 Fair Note:—FUF indicates frontal U-fibers; PUF, parietal U-fibers; TUF, temporal U-fibers.
* <0 indicates poor; 0–0.20, slight; 0.21–0.40, fair; 0.41–0.60, moderate; 0.61–0.80, substantial; 0.81–1.0, almost perfect. Adapted from Landis and Koch.17
