The prevalence of familial multiple sclerosis (FMS) in Ardabil province, Ardabil, Iran

Introduction: Multiple sclerosis is one of the most common demyelinating diseases of the central nerves system that occurs frequently in families. The aim of this study was to investigate the prevalence of familial multiple sclerosis in Ardabil province, Ardabil, Iran. Methods: This cross-sectional study was performed on 611 patients who registered in Ardabil MS registry system in Alavi hospital. The necessary data such as demographic data and having a relative with MS, degree of relatives, residence place, number of hospitalization, signs and symptoms of disease collected by a checklist and then analyzed by statistical methods in SPSS version 19. The p