• 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 ...
    • 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; Tidsskriftartikkel; Peer reviewed, 2021-03-12)
      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 geographically defined areas of Norway, Sweden, Denmark and Finland were followed for 18 years in a close to population-based prospective cohort study. Clinical features, ...
    • Obesity does not protect from subarachnoid haemorrhage: Pooled analysis of 3 large prospective Nordic cohorts 

      Rautalin, Ilari; Kaprio, Jaakko; Ingebrigtsen, Tor; Jousilahti, Pekka; Løchen, Maja-Lisa; Romundstad, Pål Richard; Salomaa, Veikko; Vik, Anne; Wilsgaard, Tom; Mathiesen, Ellisiv B.; Sandvei, Marie Søfteland; Korja, Miikka (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-10)
      Background and purpose: Several population-based cohort studies have related higher body mass index (BMI) to a decreased risk of subarachnoid hemorrhage (SAH). The main objective of our study was to investigate whether the previously reported inverse association can be explained by modifying effects of the most important risk factors of SAH—smoking and hypertension.<p> <p>Methods: We conducted ...