Table 2.

Summary of neuroimaging features

Categories	Items	Data
Features of White matter lesions	Periventricular white matter lesions (%)	29/29 (100%)
	Subcortical and deep white matter lesions- frontal (%)	28/29 (96.6%)
	Subcortical and deep white matter lesions- parietal (%)	21/29 (72.4%)
	Subcortical and deep white matter lesions- occipital (%)	19/29 (65.5%)
	Subcortical and deep white matter lesions- temporal (%)	13/29 (44.8%)
	Internal capsule (%)	11/29 (37.9%)
	External capsule (%)	21/29 (72.4%)
	Corpus callosum (%)	27/29 (93.1%)
	Infratentorial white matter (%)	13/29 (44.8%)
	Corticomedullary junction DWI high intensity (%)	27/31a (87.1%)
	Frontal and external capsule DWI high intensity (%)	11/31 (35.5%)
	Grey matter lesion (%)	5/29 (17.2%)
	Gd Enhancement (%)	0/10 (0%)
Visual rating scale	GCA (0–3, median)	1
	O’Donavan scale (0–3, median)	2
	Periventricular white matter (0–6, $\overline{\mathrm{x}}\pm \mathrm{s}$)	5.1 $\pm$ 1.8
	Deep white matter (0–24, $\overline{\mathrm{x}}\pm \mathrm{s}$)	16.1 $\pm$ 7.2
	Basal ganglia white matter (0–30, $\overline{\mathrm{x}}\pm \mathrm{s}$)	1.5 $\pm$ 2.2
	Infratentorial white matter (0–24, $\overline{\mathrm{x}}\pm \mathrm{s}$)	1.8 $\pm$ 2.2
	White matter total score (0–84, $\overline{\mathrm{x}}\pm \mathrm{s}$)	24.4 $\pm$ 11.3

Abbreviations: DWI Diffusion weighted imaging, GCA General cortical atrophy

^a29 patients had intact MRI sequences and 2 patients only had DWI