Multiple sclerosis in Iceland from 1900 to 2000: A total population study

Abstract The epidemiology of multiple sclerosis (MS) in Iceland in1900–2000 is presented. The incidence increased significantly from 2.58×105 in 1950 to 5.06×105 in 2000 (from 2.71 to 7.03×105 for women and from 2.55 to 3.10×105 for men) with a yearly increase by a factor of 1.0816 per year for wome...

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Veröffentlicht in:Multiple sclerosis and related disorders 2014-05, Vol.3 (3), p.375-383
Hauptverfasser: Sveinbjornsdottir, Sigurlaug, Magnusson, Hallgrimur, Benedikz, John E.G
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container_title Multiple sclerosis and related disorders
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creator Sveinbjornsdottir, Sigurlaug
Magnusson, Hallgrimur
Benedikz, John E.G
description Abstract The epidemiology of multiple sclerosis (MS) in Iceland in1900–2000 is presented. The incidence increased significantly from 2.58×105 in 1950 to 5.06×105 in 2000 (from 2.71 to 7.03×105 for women and from 2.55 to 3.10×105 for men) with a yearly increase by a factor of 1.0816 per year for women and 1.01207 per year for men (Poisson regression analysis). Prevalence standardized to the European standard population rose from 29.9×105 in 1950 to 131.7×105 in 2000. The standardized prevalence was constantly higher amongst women (42.8 – 181.6×105 vs. 16.7–81.5×105 for men) with a female to male ratio of 2.6 in 1950 and in 2000. Mean age at onset for all patients increased from 27.8 years in 1950 to 30.7 years in 2000 (from 27.0 to 30.1 years for women and from 28.6 to 32.2 years for men). Children and adolescents (
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The incidence increased significantly from 2.58×105 in 1950 to 5.06×105 in 2000 (from 2.71 to 7.03×105 for women and from 2.55 to 3.10×105 for men) with a yearly increase by a factor of 1.0816 per year for women and 1.01207 per year for men (Poisson regression analysis). Prevalence standardized to the European standard population rose from 29.9×105 in 1950 to 131.7×105 in 2000. The standardized prevalence was constantly higher amongst women (42.8 – 181.6×105 vs. 16.7–81.5×105 for men) with a female to male ratio of 2.6 in 1950 and in 2000. Mean age at onset for all patients increased from 27.8 years in 1950 to 30.7 years in 2000 (from 27.0 to 30.1 years for women and from 28.6 to 32.2 years for men). Children and adolescents (&lt;18 years) were 9.6% of all, of whom 60% were diagnosed after 1970. Mean age of onset for children and adolescents was 14.7 years (9–17 years, 95% CI 4.2 years). 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subjects Iceland
Incidence
Multiple sclerosis
Neurology
Prevalence
Scandinavia
title Multiple sclerosis in Iceland from 1900 to 2000: A total population study
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