Author:
Ehrmann Feldman Debbie,Bernatsky Sasha,Houde Michelle
Abstract
Abstract
Objective
To determine the population incidence of juvenile rheumatoid arthritis (JRA) in Quebec.
Methods
We obtained data from Quebec's physician claims database. Incident cases were defined as having a visit for JRA in 2000, no visit in the previous 3 years, a confirmed diagnosis by an arthritis specialist, or having ≥ 2 visits to any physician for JRA, ≥ 2 months apart but within 2 years.
Results
Cumulative incidence of JRA was 17.8/100,000. Mean age at diagnosis was 9.8 ± 4.6 years, 68% were female and more persons were diagnosed in winter. Subjects had a median of 10 medical visits over the first year.
Conclusion
Our population based incidence estimate was similar to others. Children and adolescents with JRA are heavy users of medical care. Additional study of environmental or climate- related triggers may be warranted.
Publisher
Springer Science and Business Media LLC
Subject
Immunology and Allergy,Rheumatology,Pediatrics, Perinatology, and Child Health
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