Reference values for the 1-minute sit-to-stand test in pediatric patients with juvenile idiopathic arthritis

Autores: María Azul García, María Eugenia Vaccaroni, Paula Romina Abraham, Lorena Franco

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Introduction: children with juvenile idiopathic arthritis (JIA) experience periods of pain and immobility that affect their physical capacities.

Objectives: to describe reference values for the 1-minute sit to stand test (1-STS) in children with JIA as an assessment of aerobic-functional capacity and lower limb muscle strength.Materials and methods: an observational study was conducted, including 15 children with JIA aged between 5 and 16 years. Their performance in the 1-STS was assessed.

Results: a significant positive correlation was found between the 1-STS and the 6-Minute Walk Test (r=0,56; p=0,03), as well as with the Functional Capacity Index (CAPFUN) (r=0,54; p=0,03). No significant correlations were observed between the Childhood Health Assessment Questionnaire (CHAQ) and the 1-STS (r=-0,21; p=0,44), nor with the Juvenile Arthritis Disease Activity Score (JADAS-10) (p=0,83).

Conclusions: the 1-STS appears promising for assessing aerobic-functional capacity and lower limb muscle strength in children with oligoarticular JIA.