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Increasing prevalence of multiple sclerosis in Vasterbotten County of Sweden
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience. Department of Clinical Sciences, Lund University, Lund, Sweden.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience.
2015 (English)In: Acta Neurologica Scandinavica, ISSN 0001-6314, E-ISSN 1600-0404, Vol. 132, no 6, 389-394 p.Article in journal (Refereed) Published
Abstract [en]

Objectives To update the incidence and prevalence of multiple sclerosis (MS) in Vasterbotten County, Sweden, and to compare this to previous investigations in the same area. Background Northern Sweden is a high-risk area for developing MS. Vasterbotten County has previously been surveyed in detail regarding the occurrence of MS. In several countries, increases in MS prevalence and incidence as well as a change in the sex ratio have been reported. Materials and methods Multiple sources were used to identify MS cases in Vasterbotten that either had their onset of the disease from 1998 to 2010 and/or lived in Vasterbotten, the two dates chosen for prevalence calculation: the 31st of December 2005 and 2010. Results The mean yearly incidence of MS in Vasterbotten during the entire period 1998-2010 was 6.0/100,000. The female to male ratio was 2.1. The prevalence of MS in Vasterbotten was 188/100,000 on 31st of December 2005 and 215/100,000 on 31st of December 2010. The MS prevalence increased over time from 1990 to 2010. Conclusions The prevalence of MS in Vasterbotten County has increased between 1990 and 2010, while no statistically significant increase in incidence was seen.

Place, publisher, year, edition, pages
2015. Vol. 132, no 6, 389-394 p.
Keyword [en]
epidemiology, incidence, multiple sclerosis, prevalence
National Category
Neurology
Identifiers
URN: urn:nbn:se:umu:diva-110974DOI: 10.1111/ane.12408ISI: 000362751600003PubMedID: 25857351OAI: oai:DiVA.org:umu-110974DiVA: diva2:872448
Available from: 2015-11-19 Created: 2015-11-02 Last updated: 2015-11-19Bibliographically approved

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Svenningsson, AndersSalzer, JonatanVågberg, MattiasSundström, Peter
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Department of Pharmacology and Clinical Neuroscience
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Acta Neurologica Scandinavica
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