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Multiple sclerosis in Vest-Agder county, Norway

Authors


Anita Vatne, Department of Neurology, Sorlandet Hospital SSK, Service box 416, N-4604 Kristiansand S, Norway
Tel.: +47 38 07 39 10
Fax: +47 38 07 39 11
e-mail: anita.vatne@sshf.no

Abstract

Vatne A., Mygland Å., Ljøstad U. Multiple sclerosis in Vest-Agder county, Norway.
Acta Neurol Scand: 2011: 123: 396–399.
© 2010 John Wiley & Sons A/S.

Objective –  To examine multiple sclerosis (MS) prevalence, rate of immunomodulatory treatment and frequency of Borrelia Burgordorferi (Bb) antibodies in Vest-Agder, Norway.

Materials and methods –  Patients in the period 1996–2006 who met the Poser criteria for definitive or probable MS were included. Clinical and demographical data, and presence of Bb antibodies were registered.

Results –  A total of 295 patients were identified. The crude prevalence was 180 per 100,000 population (95% CI = 160.9–218.0), age-adjusted prevalence was 186 per 100,000 population (95% CI = 166.3–225.3). The age-adjusted incidence rates were 7.5 and 8.0 for 1996–2000 and 2001–2006, respectively. Thirty-eight per cent were treated with immunomodulatory agents when compared to 28% in the rest of the country. Bb serum antibodies were detected in 7% of patients with MS.

Conclusions –  Vest-Agder county has the highest prevalence of MS reported in Norway, and a high treatment rate. Bb antibodies were not more prevalent than in healthy individuals.

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