Table 1.
Subject demographic and clinical characteristics.
| Primary progressive MS | Relapsing-remitting MS | p-value | |
|---|---|---|---|
| Number of subjects | n = 40 | n = 40 | |
| Age (years) | 50.7 ± 7.7 | 47.9 ± 4.2 | 0.049† |
| Range | 35.8–64.5 | 40.6–54.8 | |
| Men, number of subjects (%) | 17 (42.5%) | 12 (30%) | 0.352⁎ |
| Women, number of subjects (%) | 23 (57.5%) | 28 (70%) | |
| Disease duration (years)^ | 10.1 ± 7.4 | 13.7 ± 5.9 | 0.020† |
| Range | 1.10–36.0 | 1.3–28.6 | |
| Expanded Disability Status Scale score | 4.6 ± 2.1 | 1.7 ± 1.3 | 0.001‡ |
| Range | 0–8.5 | 0–6.0 | |
| Timed 25-ft walk (seconds)* | 8.4 ± 5.5 | 4.8 ± 1.1 | 0.001‡ |
| Range | 4.0–25.4 | 3.6–9.2 |
Key: data expressed as mean ± standard deviation; ^time from first symptoms; *five people with primary progressive multiple sclerosis (MS) were unable to walk. †t-test; ‡Wilcoxon test; ⁎Fisher's exact test.