• 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; Peer reviewed, 2018)
      Objective To study self‐reported pain early in the disease course of juvenile idiopathic arthritis (JIA) as predictor of long‐term disease outcomes. Methods Consecutive cases of JIA with disease onset 1997‐2000 from ...
    • Fatigue in young adults with juvenile idiopathic arthritis 18 years after disease onset: data from the prospective Nordic JIA cohort 

      Arnstad, Ellen Dalen; Glerup, Mia; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Fasth, Anders; Nielsen, Susan; Zak, Marek; Aalto, Kristiina; Berntson, Lillemor; Nordal, Ellen Berit; Herlin, Troels; Romundstad, Pål Richard; Rygg, Marite (Journal article; Peer reviewed, 2021)
      Background: To study fatigue in young adults with juvenile idiopathic arthritis (JIA) 18 years after disease onset, and to compare with controls. Methods: Consecutive children with onset of JIA between 1997 and 2000, from ...
    • 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; Peer reviewed, 2019)
      Background The aim of the study was to describe school attendance and participation in physical education in school among children with juvenile idiopathic arthritis (JIA). Methods Consecutive cases of JIA from ...
    • 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; Peer reviewed, 2018)
      Background 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). Methods In the ...
    • Psoriasis and associated variables in classification and outcome of juvenile idiopathic arthritis - an eight-year follow-up study 

      Ekelund, Maria; Aalto, Kristiina; Fasth, Anders; Herlin, Troels; Nielsen, Susan; Nordal, Ellen Berit; Peltoniemi, Suvi; Rygg, Marite; Zak, Marek; Berntson, Lillemor (Journal article; Peer reviewed, 2017)
      Background 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). Methods In ...
    • Transitioning patients with juvenile idiopathic arthritis to adult care: the Nordic experience 

      Mikola, Katriina; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia; Herlin, Troels; Kautiainen, Hannu; Nielsen, Susan; Nordal, Ellen Berit; Peltoniemi, Suvi; Rygg, Marite; Rypdal, Veronika; Zak, Marek; Aalto, Kristiina (Peer reviewed; Journal article, 2022)
      Background With juvenile idiopathic arthritis (JIA), there are several protocols and practices used worldwide for the transition from paediatric to adult care. In this study, we examined the transferral rates and disease ...