Abstract
Multiple sclerosis (MS) prevalence, in some cities in Brazil, was estimated and was found to range from 0.75 to 30.7/100,000. The reasons for such a large variation in rates of prevalence are not clear, but environment and genetics help to explain this phenomenon. A cross-sectional study using three sources of case ascertainment to estimate the prevalence of MS in the city of Goiânia in December, 2015. A total of 318 MS patients was found after removing overlapping sources. The prevalence of MS was 22.4/100,000 population. Our study was the first in Goiás and the third in the midwest region, and we found a great increase in the prevalence of MS in the region. It is necessary to perform other studies using the same methodology for a more accurate evaluation of the true prevalence of MS in Brazil.
Highlights
Multiple sclerosis (MS) prevalence, in some cities in Brazil, was estimated and was found to range from 0.75 to 30.7/100,000
The aim of the present study was to determine the prevalence of MS in Goiânia, a city located in the midwest region of Brazil, using multiple sources of case ascertainment
The study found 318 cases of people with MS residing in Goiânia on the day of the prevalence study (12/31/2015), representing a crude prevalence of 22.2/100,000 inhabitants
Summary
Multiple sclerosis (MS) prevalence, in some cities in Brazil, was estimated and was found to range from 0.75 to 30.7/100,000. The reasons for such a large variation in rates of prevalence are not clear, but environment and genetics help to explain this phenomenon. Methods: A crosssectional study using three sources of case ascertainment to estimate the prevalence of MS in the city of Goiânia in December, 2015. Métodos: Foram utilizadas três fontes de averiguação de casos para estimar a prevalência de esclerose múltipla (EM) no município de Goiânia em dezembro de 2015. Conclusão: Nosso estudo foi o primeiro em Goiás e o terceiro na Região Centro-Oeste, e encontrou um grande aumento na prevalência de EM na região.
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