Table 10 Frequency of supratentorial and infratentorial brain involvement.
| Â | Seropositive (No of patients, %) | Seronegative (No of patients, %) | p-level |
|---|---|---|---|
Supratentorial brain lesions at first MRI | Â | Â | Â |
   Total cohort | 63/133 (47.4%)†| 16/35 (45.7%)†| n.s.‡ |
Patients meeting Wingerchuk's 2006 criteria | 38/89 (42.7%) | 13/26 (50%) | n.s.‡ |
Supratentorial brain lesions ever | Â | Â | Â |
   Total cohort | 78/133 (58.7%) | 21/36 (58.3%) | n.s.‡ |
Patients meeting Wingerchuk's 2006 criteria | 51/89 (57.3%) | 16/27 (59.3%) | n.s.‡ |
Brain stem involvement# |  |  | n.s.‡ |
   Total cohort | 39/137 (28.5%) | 7/38 (18.4%) | n.s.‡ |
Patients meeting Wingerchuk's 2006 criteria | 31/137 (22.6%) | 7/38 (18.4%) | n.s.‡ |