Application of a novel multi-segment foot model to assess foot function in children and adolescents with juvenile idiopathic arthritis

Methods 14 JIA patients with a history of foot disease and 10 healthy controls were recruited. Participants underwent 3D gait analysis, plantar foot pressure and spatio-temporal gait evaluation. Each participant completed the Juvenile Arthritis Foot Disability Index (JAFI) and CHAQ. US scores for effusions and synovial hypertrophy, tender/swollen foot joint counts, and deformity scores were recorded to assess localised disease activity and impairments. Mean differences and 95% confidence intervals (CI) were calculated using the t distribution.