Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000

W. T. Mayr, Sean J Pittock, R. L. McClelland, N. W. Jorgensen, J. H. Noseworthy, Moses Rodriguez

Research output: Contribution to journalArticle

188 Citations (Scopus)

Abstract

Background: Epidemiologic data for multiple sclerosis (MS) in Olmsted County, MN, have been recorded for almost 100 years and have indicated that the increasing prevalence rate was likely due in part to an increasing incidence rate. Methods: All cases of MS diagnosed from 1985 to 2000 were identified using the centralized diagnostic index at the Mayo Clinic and the Rochester Epidemiology Program Project, a shared database of all medical practitioners in the county. Patients were required to have established residency at least 1 year prior to diagnosis of MS. Results were also age- and sex-adjusted to control for shifts in the population structure. Results: The raw prevalence of MS was determined to be 177 per 100,000 on December 1, 2000, and the raw incidence rate was 7.5 per 100,000 person-years at risk from 1985 to 2000. Conclusions: After age and sex adjustment to a common population, these prevalence and incidence rates of MS appear to have been stable rather than increasing over the past 20 years.

Original languageEnglish (US)
Pages (from-to)1373-1377
Number of pages5
JournalNeurology
Volume61
Issue number10
StatePublished - Nov 25 2003

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Multiple Sclerosis
Incidence
Internship and Residency
Population
Epidemiology
Databases

ASJC Scopus subject areas

  • Neuroscience(all)

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Mayr, W. T., Pittock, S. J., McClelland, R. L., Jorgensen, N. W., Noseworthy, J. H., & Rodriguez, M. (2003). Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000. Neurology, 61(10), 1373-1377.

Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000. / Mayr, W. T.; Pittock, Sean J; McClelland, R. L.; Jorgensen, N. W.; Noseworthy, J. H.; Rodriguez, Moses.

In: Neurology, Vol. 61, No. 10, 25.11.2003, p. 1373-1377.

Research output: Contribution to journalArticle

Mayr, WT, Pittock, SJ, McClelland, RL, Jorgensen, NW, Noseworthy, JH & Rodriguez, M 2003, 'Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000', Neurology, vol. 61, no. 10, pp. 1373-1377.
Mayr WT, Pittock SJ, McClelland RL, Jorgensen NW, Noseworthy JH, Rodriguez M. Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000. Neurology. 2003 Nov 25;61(10):1373-1377.
Mayr, W. T. ; Pittock, Sean J ; McClelland, R. L. ; Jorgensen, N. W. ; Noseworthy, J. H. ; Rodriguez, Moses. / Incidence and prevalence of multiple sclerosis in Olmsted County, Minnesota, 1985-2000. In: Neurology. 2003 ; Vol. 61, No. 10. pp. 1373-1377.
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AU - Noseworthy, J. H.

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