Longitudinal assessment of racial disparities in juvenile idiopathic arthritis disease activity in a treat-to-target int
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RESEARCH ARTICLE
Open Access
Longitudinal assessment of racial disparities in juvenile idiopathic arthritis disease activity in a treat-to-target intervention Joyce C. Chang1,2,3* , Rui Xiao3,4, Jon M. Burnham1,3,5 and Pamela F. Weiss1,2,3,6
Abstract Background: We sought to evaluate racial disparities in disease outcomes among children with polyarticular juvenile idiopathic arthritis (JIA) during a treat-to-target (TTT) intervention with clinical decision support (CDS). Methods: This was a retrospective analysis of a TTT-CDS strategy integrated into clinical practice for children with polyarticular JIA at a single center from 2016 to 2019. The primary outcome was the clinical Juvenile Arthritis Disease Activity Score (cJADAS-10). We used multivariable linear regression to assess racial differences in disease outcomes at the index visit (first visit after implementation). The effect of race on disease outcomes over time was estimated using linear mixed-effects models, stratified by incident or prevalent disease. Results: We included 159 children with polyarticular JIA, of which 74, 13 and 13% were white, black, and Asian/ other, respectively. cJADAS-10 improved significantly over time for all race categories, while the rates of improvement did not differ by race in incident (p = 0.53) or prevalent cases (p = 0.58). cJADAS-10 over time remained higher among black children compared to white children (β 2.5, p < 0.01 and β 1.2, p = 0.08 for incident and prevalent cases, respectively). Provider attestation to CDS use at ≥50% of encounters was associated with a 3.9 greater reduction in cJADAS-10 among black children compared to white children (p = 0.02). Conclusion: Despite similar rates of improvement over time by race, disparities in JIA outcomes persisted throughout implementation of a TTT-CDS approach. More consistent CDS use may have a greater benefit among black children and needs to be explored further. Keywords: Juvenile arthritis, Healthcare disparities, Patient outcome assessment, Patient reported outcome measures, Pediatrics
Background Juvenile idiopathic arthritis (JIA) is an umbrella term for a heterogeneous group of chronic childhood inflammatory arthritides that may lead to joint damage, impaired growth, and impaired physical function if left undertreated. JIA is categorized by the International League * Correspondence: [email protected] 1 Division of Rheumatology, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA 2 Center for Pediatric Clinical Effectiveness, Children’s Hospital of Philadelphia Research Institute, 2716 South St, 11th Floor, Philadelphia, PA 19146, USA Full list of author information is available at the end of the article
Against Rheumatism (ILAR) classification system into seven different categories. Two categories, rheumatoid factor (RF) positive and RF negative polyarticular JIA, affect 5 or more joints at onset of disease. Children with polyarticular JIA are more likely than those with other categories of JIA to experience prolonged periods of active disease [
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