Clinical and demographical data of study group.

* The time between first clinical attack and last examination** The time between first and last examination*** PMS samples were obtained from our biobankStudy groups with case and control samples were summarized in terms of demographical and clinical information. Age at analysis, age of disease onset, gender, expanded disability status scale (EDSS), disease duration which indicates the time between first clinical attack and last examination, follow-up period which indicates the time between first and last examination and finally CSF IgG index, which is calculated as IgG to CSF albumin ratio compared to the serum IgG to serum albumin ratio, were summarized. NonMS control samples consisted of acute headache and pseudotumour cerebri patients whereas, other neurological disease (OND) consisted of neuro-Behçet disease, neuro-sarcoidosis and polyneuropathies.Clinical and demographical data of study group.