Diagnostic utility of 3D DIR MRI in the estimation of MS lesions overall load with special emphasis on cortical subtypes

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Correlation between duration of disease, EDSS and the number of attacks per year and the number of MS plaques in different anatomical regions

MS plaque location	Duration		EDSS		Attacks per year
MS plaque location	ρ⁺	p value	ρ⁺	p value	ρ⁺	p value
Cortical type I	0.260	0.018*	0.356	0.001*	0.154	0.167
Cortical type II	0.244	0.027*	0.197	0.076	0.291	0.008*
Cortical type III	0.354	0.001*	0.260	0.018*	0.269	0.014*
Cortical type IV	− 0.007	0.952	0.016	0.889	− 0.033	0.769
Overall cortical types	0.342	0.002*	0.368	0.001*	0.296	0.007*
Juxtacortical	0.258	0.019*	0.134	0.229	0.280	0.011*
Juxtacortical expanded	0.379	< 0.001*	0.343	0.002*	0.348	0.001*
Deep gray matter	− 0.022	0.841	− 0.114	0.308	− 0.047	0.675
Subcortical WM	0.240	0.030*	0.088	0.430	0.307	0.005*
Deep WM	0.594	< 0.001*	0.183	0.099	0.478	< 0.001*
Periventricular WM	0.366	0.001*	0.281	0.010*	0.252	0.022*
Infratentorial	0.123	0.272	0.083	0.46	0.061	0.585
Overall MS burden	0.640	< 0.001*	0.359	0.001*	0.525	< 0.001*