Incidence of myasthenia gravis in the province of Ferrara: a community-based study

The reported annual incidence of myasthenia gravis (MG) ranges from 0.25 to 15 per million. The sex- and age-related pattern of disease incidence is still debated. An intensive descriptive study was performed in the province of Ferrara (mean population 360,950 people) over the period 1985 through 20...

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Bibliographic Details
Published inNeuroepidemiology Vol. 23; no. 6; pp. 281 - 284
Main Authors Casetta, I, Fallica, E, Govoni, V, Azzini, C, Tola, M, Granieri, E
Format Journal Article
LanguageEnglish
Published Switzerland 01.11.2004
Subjects
Adolescent
Adult
Age Distribution
Age of Onset
Aged
Catchment Area (Health)
Child
Female
Humans
Incidence
Italy - epidemiology
Male
Middle Aged
Myasthenia Gravis - epidemiology
Sex Distribution
Italy
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Summary:The reported annual incidence of myasthenia gravis (MG) ranges from 0.25 to 15 per million. The sex- and age-related pattern of disease incidence is still debated. An intensive descriptive study was performed in the province of Ferrara (mean population 360,950 people) over the period 1985 through 2000. The average crude annual incidence rate was 2 per 100,000. We confirm a female preponderance in the total population, particularly in the youngest age groups. We observed an early increase in incidence in females, partly due to thymoma-associated MG, while MG without thymoma showed increasing incidence with age nonsignificantly different in the two sexes.
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ISSN:0251-5350
DOI:10.1159/000080093