External risk factors of multiple sclerosis(in the Republic of Bashkortostan)
The article deals with the study of external risk factors of multiple sclerosis in the Republic of Bashkortostan using method “case-control” in 102 pairs “a patient with multiple sclerosis - a control person”. The study detected authentic prevalence in the group of patients: fathers’ age from 30 and older (p=0.005), tonsillitis at the age of 7 (p=0.036), rubella at the age of 15 (p=0.021), predominance of meat diet at the age of 15 (p=0.009). More frequent habitation of patients in large industrial cities at the age of 15 (p=0.025) correlates with the results of the descriptive study of prevalence of multiple sclerosis in the Republic of Bashkortostan.