Details of the 15 patients with secondary progressive multiple sclerosis that consented to lumbar punctures before and after alemtuzumab treatment
| No of patients | 15 |
| No of females (%) | 10 (67) |
| Age at time of treatment (years) (median (range)) | 40 (23–49) |
| Disease duration (years) (median (range)) | 4 (1–13) |
| EDSS pretreatment (median (range)) | 6 (4–7) |
| Time of pretreatment LP (days) (median (range)) | 1 (0–37) |
| Time of post-treatment LP (months) (median (range)) | 11 (3–28) |
EDSS, Expanded Disability Status Score; LP, lumbar puncture.