Evaluation of Real-World Healthcare Resource Utilization and Associated Costs in Children with Juvenile Idiopathic Arthritis: A Canadian Retrospective Cohort Study

the UCAN CAN-DU, UCAN CURE consortia, Maarten J. Ijzerman

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6 Citations (Scopus)
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Abstract

Introduction: Juvenile idiopathic arthritis (JIA) is a chronic rheumatic disease, whose multifaceted care path can lead to significant expenditure for the healthcare system. We aim to assess the real-world healthcare resource use (HCRU) and associated cost for children with JIA in a single center in Canada. Methods: A single-center consecutive cohort of newly diagnosed patients with JIA attending the pediatric rheumatology clinic from 2011 to 2019 was identified using an administrative data algorithm and electronic medical charts. HCRU was estimated from six administrative health databases that included hospital admissions, emergency, outpatient care, practitioners’ visits, medication, and laboratory and imaging tests. Costs were assigned using appropriate sources. We reported the yearly overall and JIA-associated HCRU and costs 5 years prior to and 6 years after the first visit to the pediatric rheumatologist. The Zhao and Tian estimator was used to calculate cumulative mean costs over a 6-year timeframe. Results were stratified by disease subtype. Results: A total of 389 patients were identified. The yearly total overall mean costs per patient ranged between $804 and $4460 during the 5 years prior to the first visit to the pediatric rheumatologist and $8529 and $10,651 for the 6 years after. Medication cost, driven by use of biologic therapies, and outpatient visits were the greatest contributor to the total cost. The overall cumulative mean cost for 6 years of care was $48,649 per patient, while the JIA-associated cumulative mean cost was $26,820 per patient. During the first year of rheumatology care, systemic onset JIA had the highest cumulative mean overall cost, while oligoarticular JIA had the lowest cumulative mean cost. Conclusion: The care pathway for children with JIA can be expensive, and complex—and varies by JIA subtype. Although the yearly total mean cost per patient was constant, the distribution of costs changes over time with the introduction of biologic therapies later in the care pathway. This study provides a better understanding of the JIA costs profile and can help inform future economic studies.

Original languageEnglish
Pages (from-to)1303-1322
Number of pages20
JournalRheumatology and Therapy
Volume8
Issue number3
DOIs
Publication statusPublished - 18 Jul 2021

Bibliographical note

Funding:
This work and the journal’s Rapid Service Fee were supported by the Canadian Institutes for Health Research (Canada) [grant number 381280]; Genome Canada (Canada); ZonMW (the Netherlands); and the Reumafonds (the Netherlands). DAM is supported by the Arthur J.E. Child Chair in Rheumatology and a Canada Research Chair in Health Systems and Services Research (2008–2018). SB is supported by the Husky Energy Chair in Child and Maternal Health and the Alberta Children’s Hospital Foundation Chair in Pediatric Research. RSMY is supported by the Hak-Ming and Deborah Chiu Chair in Paediatric Translational Research. LRG is supported by Alberta Innovates Graduate Studentship and Arthritis Society (TGP-18–0244).

Publisher Copyright: © 2021, The Author(s).

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