Now showing items 1-6 of 6

    • Anti-type II collagen antibodies, anti-CCP, IgA RF and IgM RF are associated with joint damage, assessed eight years after onset of juvenile idiopathic arthritis (JIA) 

      Berntson, Lillemor; Nordal, Ellen Berit; Fasth, Anders; Aalto, Kristiina; Herlin, T; Nielsen, Susan; Rygg, Marite; Zak, M; Ronnelid, J (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Early self-reported pain in juvenile idiopathic arthritis (JIA) is related to long-term outcomes. Results from the Nordic JIA cohort study. 

      Arnstad, Ellen Dalen; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Herlin, T; Berntson, Lillemor; Fasth, Anders; Nielsen, Susan; Glerup, Mia; Ekelund, Maria; Zak, Marek; Aalto, Kristiina; Nordal, Ellen Berit; Romundstad, Pål Richard; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-28)
      <p><i>Objective</i>: To study self‐reported pain early in the disease course of juvenile idiopathic arthritis (JIA) as predictor of long‐term disease outcomes.</p> <p><i>Methods</i>: Consecutive cases of JIA with disease onset 1997‐2000 from defined geographical areas of Norway, Sweden, Finland and Denmark were prospectively enrolled in this population‐based cohort study. Self‐reported, disease‐related ...
    • Incidence and predictors of Uveitis in juvenile idiopathic arthritis in a Nordic long-term cohort study. 

      Nordal, Ellen Berit; Rypdal, Veronika Gjertsen; Christoffersen, Terje; Aalto, Kristiina; Berntson, Lillemor; Fasth, Anders; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Straume, Bjørn; Zak, Marek S.; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-18)
      Background: The incidence of uveitis associated with juvenile idiopathic arthritis (JIA) varies around the world. Our aim was to investigate the incidence and predictors of uveitis in a Nordic population-based cohort. <br>Methods: Consecutive JIA cases from defined geographical areas in Denmark, Finland, Sweden and Norway with disease onset between January 1997 to June 2000 were followed for ...
    • Participation in school and physical education in juvenile idiopathic arthritis in a Nordic long-term cohort study 

      Nordal, Ellen Berit; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria; Fasth, Anders; Glerup, Mia; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Zak, Marek; Songstad, Nils Thomas; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-15)
      <i>Background</i> - The aim of the study was to describe school attendance and participation in physical education in school among children with juvenile idiopathic arthritis (JIA).<p> <p><i>Methods</i> - Consecutive cases of JIA from defined geographical areas of Finland, Sweden and Norway with disease onset in 1997 to 2000 were followed for 8 years in a multi-center cohort study, aimed to be ...
    • Predicting unfavorable long-term outcome in juvenile idiopathic arthritis: Results from the Nordic cohort study 

      Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria; Fasth, Anders; Glerup, Mia; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Zak, Marek; Rygg, Marite; Rypdal, Martin Wibe; Nordal, Ellen Berit (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-05-03)
      <i>Background</i>: The aim was to develop prediction rules that may guide early treatment decisions based on baseline clinical predictors of long-term unfavorable outcome in juvenile idiopathic arthritis (JIA). <p> <p><i>Methods</i>: In the Nordic JIA cohort, we assessed baseline disease characteristics as predictors of the following outcomes 8 years after disease onset. Non-achievement of ...
    • Psoriasis and associated variables in classification and outcome of juvenile idiopathic arthritis - an eight-year follow-up study 

      Ekelund, Maria; Aalto, Kristiina; Fasth, Anders; Nielsen, Susan; Nordal, Ellen Berit; Peltoniemi, Suvi; Rygg, Marite; Zak, Marek; Berntson, Lillemor (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-22)
      Background<br> To study the impact of psoriasis and features associated with psoriasis on classification and outcome in a population-based follow-up cohort of children with juvenile idiopathic arthritis (JIA).<p> Methods<br> In all, 440 children with JIA were followed for a median of 8 years in a prospective Nordic population-based cohort study. Data for remission was available for 427 of these ...