Table 2 Comparison between clinical features of OCB and non-OCB patients
OCB
Positive (nā€Š=ā€Š153)Negative (nā€Š=ā€Š119)
Female/male ratio2.661.77
Age at onset (SD) (years)35.35 (10.82)**39.29 (12.14)
CSF total protein (SD; mg/dL)0.40 (0.14)*0.54 (0.55)
VEP abnormalities (%)69/98 (70.4)38/65 (58.5)
Brain MRI abnormalities (%)137/148 (92.6)**79/110 (71.8)
Spinal MRI abnormalities (%)91/107 (85)64/82 (78)
  • Values were significant in comparison with negative OCBs: *p<0.05; **p<0.01.

  • CSF, cerebrospinal fluid; OCB, oligoclonal band; MRI, magnetic resonance imaging; VEP, visual evoked potential.