Descriptive data for 1500 MS patients.

P = p by ANOVA after Bonferroni correction for group comparison; pa = p between CIS and SPMS; pb = p between RRMS and SPMS; pc = p between PPMS and SPMS. N = number; SE = standard error of the mean; CIS = clinically isolated syndrome; RRMS = relapsing-remitting multiple sclerosis; SPMS = secondary progressive multiple sclerosis; PPMS = primary progressive multiple sclerosis; EDSS- Expanded disability status scale; IMD – Immunomodulatory drugs.