Leptomeningeal Contrast Enhancement Is Associated with Disability Progression and Grey Matter Atrophy in Multiple Sclerosis

Table 1

Cohort demographic characteristics.

Number of participants	54
(%) female	34 (63%)
Median age at the time of MRI, years (IQR)	42 (22.5)
Median disease duration, months (IQR)	86 (149.05)
Median EDSS (25th, 75th percentile)	4 (2.5, 6.0)
Disease course at enrollment, (%)
(i) RRMS	36 (77%)
(ii) SPMS	12 (22%)
(iii) PPMS	6 (11%)

MRI: magnetic resonance imaging; EDSS: Expanded Disability Status Scale; MSSS: Multiple Sclerosis Severity Score; RRMS: relapsing-remitting multiple sclerosis, SPMS: secondary progressive multiple sclerosis, PPMS: primary progressive multiple sclerosis.