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

aValues represent the mean ± SD. bCSF oligoclonal IgG bands (OB) and/or increased IgG index (upper normal limit = 0.658, according to our previous study [21]. cBrain MRI lesions that meet the Barkhof criteria [29]. 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. puncorr was corrected by multiplying the value by nine to calculate pcorr.