Characteristics | N | Events | Median time to EDSS4 (year) | p value |
---|---|---|---|---|
Age at onset of MS | Â | Â | Â | Â |
<20 | 59 | 10 | Â | 0.0001 |
20–28 | 110 | 28 | 19.1 |  |
29–38 | 119 | 48 | 10.0 |  |
39–49 | 87 | 32 | 12.2 |  |
≥50 | 32 | 24 | 4.2 |  |
Sex | Â | Â | Â | Â |
Male | 119 | 60 | 8.0 | 0.0001 |
Female | 288 | 82 | 16.6 | Â |
Initial course of MS | Â | Â | Â | Â |
Remitting-relapsing | 349 | 92 | 16.6 | 0.0001 |
Primary progressive | 58 | 50 | 3.8 | Â |
Incomplete recovery from first relapse | Â | Â | Â | Â |
No | 346 | 117 | 19.1 | 0.3 |
Yes | 61 | 25 | 11.9 | Â |
CSF total protein level, mg/L | Â | Â | Â | Â |
0–500 | 312 | 100 | 19.1 | 0.02 |
≥500 | 95 | 42 | 10.6 |  |
CSF IgG index | Â | Â | Â | Â |
<0.60 | 219 | 83 | 16.6 | 0.6 |
≥0.60 | 188 | 59 | 11.4 |  |
CSF oligoclonal bands | Â | Â | Â | Â |
Yes | 354 | 119 | 16.6 | 0.7 |
No | 53 | 23 | 12.2 | Â |
Leukocyte count | Â | Â | Â | Â |
Normal | 151 | 57 | 11.9 | 0.2 |
Increased (≥5 mm3) | 256 | 85 | 16.6 |  |
Barkhof’s criteria (initial MRI) |  |  |  |  |
Positive | 359 | 129 | 16.6 | 0.4 |
Negative | 48 | 13 | Â | Â |
Treatment | Â | Â | Â | Â |
Yes | 303 | 228 | 16.6 | 0.0001 |
No | 104 | 37 | 4.9 | Â |