Clinical characteristics of GBS patients associated with presence IgM and/or IgG antibodies in serum to the gangliosides GM1, GD1a and GQ1b*.

*Data were expressed as median or number of patients (percentage); M, male; F, female; CI, confidence interval; – cannot be calculated.†Determined by Chi-square or Fisher’s exact test.¶Determined by Wilcoxon-Mann-Whitney U test.‡Axonal variants: acute motor axonal neuropathy (AMAN), acute motor sensory axonal neuropathy (AMSAN).§AIDP, acute inflammatory demyelinating polyneuropathy.