Comparison of demographic features and clinical characteristic of MS patients according to the presence or absence of the <i>HLA-DRB1*0405</i> allele.

a<p>Values represent the mean ± SD.</p>b<p>CSF oligoclonal IgG bands (OB) and/or increased IgG index (upper normal limit = 0.658, according to our previous study <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0048592#pone.0048592-Kira2" target="_blank">[21]</a>.</p>c<p>Brain MRI lesions that meet the Barkhof criteria <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0048592#pone.0048592-Barkhof1" target="_blank">[29]</a>.</p><p>EDSS, Kurtzke’s Expanded Disability Status Scale; LESCLs, longitudinally extensive spinal cord lesions extending over three or more vertebral segments; MS, multiple sclerosis; OB, oligoclonal IgG bands.</p><p>p^uncorr was corrected by multiplying the value by nine to calculate p^corr.