| Median | IQR | Mean | Standard Deviation | |
| DD (mos) | 3.6 | 2.6, 5.6 | 4.4 | 3.0 |
| EDSS | 1.0 | 0.6, 1.5 | 1.1 | 0.8 |
| PASAT (z res) | −0.1 | −3.6, 0.6 | −2.1 | 2.3 |
| NHPT (z res) | 1.7 | 0.5, 2.9 | 2.1 | 2.3 |
| 25FWT (z res) | 1.9 | 0.9, 3.2 | 2.5 | 2.2 |
| MSFC (z res) | 1.2 | 0.6, 2.9 | 1.9 | 1.7 |
| T1LV (cc) | 0.8 | 0.2, 1.9 | 1.7 | 2.1 |
| Cerebellar score | 0.0 | 0.0, 1.0 | 0.5 | 0.5 |
| Pyramidal score | 0.0 | 0.0, 1.0 | 0.5 | 0.5 |
25FWT, 25-Foot Timed Walk; DD, disease duration; EDSS, Expended Disability Status Score; IQR, inter-quartile range; mos, months; MSFC, Multiple Sclerosis Functional Composite; NHPT, 9-Hole Peg Test; PASAT, Paced Auditory Serial Addition Test - 3; T1LV, T1 brain lesion volume; z res, z-residuals.