• A 60-year follow-up of the incidence and prevalence of multiple sclerosis in Hordaland County, Western Norway 

      Grytten, Nina; Aarseth, Jan Harald; Lunde, Hanne Marie; Myhr, Kjell-Morten (Peer reviewed; Journal article, 2015-01-14)
      Objective: Investigate the incidence of multiple sclerosis during 1953–2013 and estimate the prevalence rate of MS on 1 January 2003 and 2013 in Hordaland County, Western Norway. Methods: All patients with onset of disease ...
    • The cost of multiple sclerosis in Norway 

      Svendsen, Bjørn; Myhr, Kjell-Morten; Nyland, Harald Inge; Aarseth, Jan Harald (Peer reviewed; Journal article, 2010-11-16)
      Health economic aspects have been increasingly important during introduction of new treatments for multiple sclerosis. As a partial response for Norway, a costof- illness study was carried out to estimate the yearly cost ...
    • High incidence and prevalence of MS in Møre and Romsdal County, Norway, 1950–2018 

      Willumsen, Johannes Sverre; Aarseth, Jan Harald; Myhr, Kjell-Morten; Midgard, Rune (Journal article; Peer reviewed, 2020)
      Objective To determine prevalence and longitudinal trends in incidence of MS in Møre and Romsdal County, Western Norway, from 1950 to 2018. Methods Retrospective longitudinal population-based observational study. All ...
    • Month of birth and risk of multiple sclerosis: confoundingand adjustments 

      Torkildsen, Øivind Fredvik; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Torkildsen, Nina Agnethe Grytten (Peer reviewed; Journal article, 2014-02)
      A month of birth effect on multiple sclerosis (MS) risk has been reported from different countries. Recent critics have suggested that this finding is caused by confounding and that adequately adjusting for year and place ...
    • Poor Sleep in Patients with Multiple Sclerosis 

      Lunde, Hanne Marie Bøe; Aae, Tommy F.; Indrevåg, William; Aarseth, Jan Harald; Bjorvatn, Bjørn; Myhr, Kjell-Morten; Bø, Lars (Peer reviewed; Journal article, 2012-11-14)
      Background: Poor sleep is a frequent symptom in patients with multiple sclerosis (MS). Sleep may be influenced by MS-related symptoms and adverse effects from immunotherapy and symptomatic medications. We aimed to study ...