Correlations between clinical and MRI factors and outcome measures.

<p>Expressed are Spearman correlation coefficients (R) and respective p values. Significant associations are highlighted in bold.</p><p>9HPT: nine-hole peg test; EDSS: Expanded Disability Status Scale; FS: functional system; GM: grey-matter; NA: not applicable; PASAT: Paced Auditory Serial Addition Test; RRMS: relapsing-remitting multiple sclerosis; SDMT: Symbol Digit Modalities Test; T25FW: timed twenty-five foot walk test; WM: white-matter.