Frequencies of abnormal findings on MRI measured by quantitative methods

All (n = 58)IIa (n = 32)IIb (n = 26)P (IIa vs IIb)
Gray-white matter junction blurring38 (65.52%)17 (53.13%)21 (80.77%).029
Cortical FLAIR hyperintensity26 (44.83%)8 (25%)18 (69.23%).001
Cortical thickening4 (6.90%)2 (6.25%)2 (7.69%)>.999
Abnormal gyrus or sulcus7 (12.07%)5 (15.63%)2 (7.69%).614
Transmantle sign13 (22.41%)0 (0%)13 (100%)<.001
Normal findings16 (27.59%)13 (40.63%)3 (11.54%).015