2025

• Ekelund, Maria; Szentpetery, Agnes; Arnstad, Ellen Dalen; Aalto, Kristiina; Fasth, Anders; Glerup, Mia. (2025) Clinical Impact of HLA-B27 on Juvenile Idiopathic Arthritis: Eighteen Years of Follow-up in the Population-Based Nordic Juvenile Idiopathic Arthritis Cohort. ACR Open Rheumatology
  Academic article
• Tuomi, Anna-Kaisa; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia. (2025) Age at diagnosis as a prognostic factor in selected categories of juvenile idiopathic arthritis. RMD Open
  Academic article

2024

• Ekelund, Maria; Szentpetery, Agnes; Arnstad, Ellen Dalen; Aalto, Kristiina; Fasth, Anders; Glerup, Mia. (2024) HLA-B27 is associated with worse outcome in juvenile idiopathic arthritis (JIA) after 18 years in a long-term Nordic cohort study. Pediatric Rheumatology
  Abstract
• Tuomi, Anna-Kaisa; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia. (2024) Body mass index is associated with health-related quality of life and disease characteristics in young adults with juvenile idiopathic arthritis. Pediatric Rheumatology
  Academic article
• Rypdal, Veronika Gjertsen; Glerup, Mia; Rypdal, Martin Wibe; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor. (2024) Disease activity trajectories from childhood to adulthood in the population-based Nordic juvenile idiopathic arthritis cohort. RMD Open
  Academic article
• Glerup, Mia; Kessel, Christoph; Foell, Dirk; Berntson, Lillemor; Fasth, Anders; Myrup, Charlotte. (2024) Inflammatory biomarkers predicting long-term remission and active disease in juvenile idiopathic arthritis: a population-based study of the Nordic JIA cohort. RMD Open
  Academic article
• Szentpetery, Agnes; Glerup, Mia; Aalto, Kristiina; Arnstad, Ellen Dalen; Fasth, Anders; Herlin, Troels. (2024) Characteristics That Predict Psoriatic Arthritis by the Classification Criteria for Psoriatic Arthritis in Patients With Juvenile Idiopathic Arthritis 18 Years After Disease Onset. ACR Open Rheumatology
  Academic article

2023

• Rypdal, Veronika Gjertsen; Glerup, Mia; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Fasth, Anders. (2023) Exploring factors that may influence the scoring of the patient’s global assessment of well-being – results of the 18 years juvenile idiopathic arthritis Nordic JIA cohort. . Pediatric Rheumatology
  Abstract
• Glerup, Mia; Kessel, Christoph; Foell, Dirk; Berntson, Lillemor; Fasth, Anders; Myrup, Charlotte. (2023) Inflammatory biomarkers in relation to long-term remission and active disease. A population-based study of the Nordic JIA cohort. . Pediatric Rheumatology
  Abstract

2022

• Glerup, Mia; Arnstad, Ellen Dalen; Rypdal, Veronika; Peltoniemi, Suvi; Aalto, Kristiina; Rygg, Marite. (2022) Changing patterns in treatment, remission status, and categories in a long-term Nordic cohort study of juvenile idiopathic arthritis. Arthritis care & research
  Academic article
• Rypdal, Veronika; Glerup, Mia; Rypdal, Martin Wibe; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor. (2022) O24: Disease activity measures in Juvenile idiopathic arthritis from childhood to adulthood in the Nordic JIA cohort. Pediatric Rheumatology
  Abstract
• Mikola, Katriina; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia. (2022) Transitioning patients with juvenile idiopathic arthritis to adult care: the Nordic experience. Pediatric Rheumatology
  Academic article
• Glerup, Mia; Kessel, C; Foell, Dirk; Høllsberg, Malene; Berntson, Lillemor; Fasth, Anders. (2022) P020: Biomarkers related to myeloid derived cells obtained at baseline and at 18-year follow-up in juvenile idiopathic arthritis. Relation to remission status and inactive disease. Pediatric Rheumatology
  Abstract
• Toumi, Anna-Kaisa; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia. (2022) P082: Body mass index is related to disease parameters in young adults with juvenile idiopathic arthritis. . Pediatric Rheumatology
  Abstract

2021

• Arnstad, Ellen Dalen; Glerup, Mia; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Fasth, Anders; Nielsen, Susan. (2021) Fatigue in young adults with juvenile idiopathic arthritis 18 years after disease onset: data from the prospective Nordic JIA cohort. Pediatric Rheumatology
  Academic article

2020

• Glerup, Mia; Stoustrup, Peter Bangsgaard; Matzen, Louise Hauge; Rypdal, Veronika Gjertsen; Nordal, Ellen Berit; Frid, Paula. (2020) Longterm Outcomes of Temporomandibular Joints in Juvenile Idiopathic Arthritis: 17 Years of Followup of a Nordic Juvenile Idiopathic Arthritis Cohort. Journal of Rheumatology
  Academic article
• Arnstad, Ellen Dalen; Iversen, Johanne Marie; Uglem, Martin; Glerup, Mia; Romundstad, Pål Richard; Sand, Trond. (2020) Pain sensitivity in young adults with juvenile idiopathic arthritis: a quantitative sensory testing study. Arthritis Research & Therapy
  Academic article
• Rypdal, Veronika Gjertsen; Glerup, Mia; Songstad, Nils Thomas; Bertelsen, Geir; Christoffersen, Terje; Arnstad, Ellen Dalen. (2020) Uveitis in Juvenile Idiopathic Arthritis 18-Year Outcome in the Population-based Nordic Cohort Study. Ophthalmology (Rochester, Minn.)
  Academic article
• Arnstad, Ellen Dalen; Iversen, Johanne Marie; Uglem, Martin; Glerup, Mia; Romundstad, Pål Richard; Sand, Trond. (2020) Pressure pain thresholds in young adults with juvenile idiopathic. Proceedings of the 26th European Paediatric Rheumatology Congress: Part 2. Virtual. 23 - 26 September 2020. . Pediatric Rheumatology
  Abstract

2019

• Qvarnstrøm, Karin; Glerup, Mia; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Peltoniemi, Suvi; Ekelund, Maria. (2019) AB0942 Radiological sacroiliitis after 18 years of follow-up in the population-based Nordic juvenile idiopathic arthritis (JIA) cohort. Annals of the Rheumatic Diseases
  Abstract
• Rypdal, Veronika Gjertsen; Guzman, Jaime; Henrey, A; Loughin, T; Glerup, Mia; Arnstad, Ellen Dalen. (2019) SAT0628 Validation of methods for predicting long-term outcome in juvenile idiopathic arthritis: Results for Canadian and Nordic prediction models in the Nordic cohort. . Annals of the Rheumatic Diseases
  Abstract
• Glerup, Mia; Thiel, Steffen; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Ekelund, Maria; Peltoniemi, Suvi. (2019) Complement lectin pathway protein levels reflect disease activity in juvenile idiopathic arthritis: A longitudinal study of the Nordic JIA cohort. Pediatric Rheumatology
  Academic article
• Nordal, Ellen Berit; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria. (2019) Participation in school and physical education in juvenile idiopathic arthritis in a Nordic long-term cohort study. Pediatric Rheumatology
  Academic article
• Rypdal, Veronika Gjertsen; Guzman, Jaime; Henrey, Andrew; Loughin, Thomas; Glerup, Mia; Arnstad, Ellen Dalen. (2019) Validation of prediction models of severe disease course and non-achievement of remission in juvenile idiopathic arthritis: part 1-results of the Canadian model in the Nordic cohort. Arthritis Research & Therapy
  Academic article
• Glerup, Mia; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Ekelund, Maria; Peltoniemi, Suvi; Aalto, Kristiina. (2019) Long-term outcomes in juvenile idiopathic arthritis: 18 years of follow-up in the population-based Nordic Juvenile Idiopathic Arthritis (JIA) cohort. Arthritis care & research
  Academic article
• Arnstad, Ellen Dalen; Glerup, Mia; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Ekelund, Maria; Berntson, Lillemor. (2019) OP0201 Fatigue in Juvenile Idiopathic Arthritis after 18 years of follow-up. . Annals of the Rheumatic Diseases
  Abstract

2018

• Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria; Fasth, Anders. (2018) Predicting unfavorable long-term outcome in juvenile idiopathic arthritis: Results from the Nordic cohort study. Arthritis Research & Therapy
  Academic article
• Arnstad, Ellen Dalen; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Herlin, T; Berntson, Lillemor; Fasth, Anders. (2018) Early self-reported pain in juvenile idiopathic arthritis (JIA) is related to long-term outcomes. Results from the Nordic JIA cohort study. . Arthritis care & research
  Academic article
• Rypdal, Veronika Gjertsen; Glerup, Mia; Christoffersen, terje; Bertelsen, Geir; Arnstad, Ellen Dalen; Aalto, Kristiina. (2018) Long-term outcome and complications in uveitis, 17 years after disease onset in a population-based Nordic Juvenile Idiopathic arthritis cohort. Proceedings of the 25th European Paediatric Rheumatology Congress (PReS 2018), Lisbon, Portugal. . Pediatric Rheumatology
  Abstract
• Glerup, Mia; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Ekelund, Maria; Peltoniemi, Suvi; Aalto, Kristiina. (2018) Remission status after 18 years of follow-up in the population-based Nordic Juvenile Idiopathic Arthritis (JIA) cohort. Proceedings of the 25th European Paediatric Rheumatology Congress (PReS 2018), Lisbon, Portugal. 5-8 September 2018. Pediatric Rheumatology
  Abstract

2017

• Arnstad, Ellen Dalen; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Nordal, Ellen Berit; Berntson, Lillemor; Aalto, Kristiina. (2017) Early pain report in oligoarticular juvenile idiopathic arthritis is related to long-term outcome. Pediatric Rheumatology
  Abstract
• Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Berntson, Lillemor; Zak, Marek; Aalto, Kristiina; Peltoniemi, Suvi. (2017) Baseline predictors of functional disability eight years after disease onset in the Nordic juvenile idiopathic arthritis population-based cohort. Pediatric Rheumatology
  Abstract

2015

• Arnstad, Ellen Dalen; Nordal, Ellen Berit; Berntson, Lillemor; Aalto, Kristiina; Fasth, Anders; Herlin, T. (2015) Self-reported pain 6 months after onset of juvenile idiopathic arthritis is related to pain score and disease outcome after 8 years. Annual European Congress of Rheumatology, Fiera di Roma, Rome, Italy, 10 - 13 June 2015,. Annals of the Rheumatic Diseases
  Abstract

2014

• Iversen, Johanne Marie; Arnstad, Ellen Dalen; Sand, Trond; Rygg, Marite. (2014) Neurophysiologic pain response in patients with juvenlie idiopathic arthritis - a pilot study. Pediatric Rheumatology
  Abstract