Abstract
The purpose of this study was to evaluate physical activity (PA) and health-related quality of life (HRQOL) in children with oligoarticular juvenile idiopathic arthritis (JIA) in remission in comparison with healthy peers and to determine the disease-related factors affecting PA levels. This study was conducted with 50 oligoarticular JIA patients in remission and 50 healthy peers between 9 and 14 years. Demographic and clinical characteristics, laboratory parameters, and treatments were noted from electronic medical records. HRQOL was assessed with the Pediatric Quality of Life Inventory (PedsQL). PA was evaluated with the Physical Activity Questionnaire for Children (PAQ-C). Oligoarticular JIA patients had significantly lower self-reported median PedsQL scores in the domains of school functioning and social functioning compared to the control group (67.5 (10) vs. 75 (25), p = 0.001 and 70 (15) vs. 85 (26.3), p < 0.001, respectively). The median PAQ-C score was 2.6 (1.1) in patients with JIA and 3 (0.9) in their healthy peers (p = 0.02). The PAQ-C score was 2.8 (1.2) in patients < 8 years at the disease onset and 2.3 (1) in those aged ≥ 8 years (p = 0.022). There was no significant difference in the number of affected joints, type of affected joint, MTX and biologic agent treatment, and remission with or without drugs with the total score of the PedsQL and PAQ-C. All PedsQL domains were positively correlated with the PAQ-C.
Conclusion: Oligoarticular JIA patients demonstrated lower PA and HRQOL scores compared to healthy controls despite favorable disease control.
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What is Known:
• Oligoarticular JIA has fewer functional limitations and disabilities compared to other JIA subtypes.
• As JIA can affect all aspects of a child’s life, there is a need to improve the quality of life related to the disease.
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What is New:
• It should be considered that patients with oligoarticular JIA may show lower PA and HRQOL scores compared to healthy controls despite favorable disease control.
• Since there may be a relationship between PA and HRQOL, factors that may affect PA should be investigated to provide a holistic approach to JIA treatment.
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