Spine
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Multicenter retrospective cohort study. ⋯ 3.
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Prospective cohort study OBJECTIVE.: The aim of this study was to evaluate the responsiveness of EQ-5D Youth version (EQ-5D-Y) 5-level and 3-level in patients with idiopathic scoliosis SUMMARY OF BACKGROUND DATA.: A new version of EQ-5D-Y increasing the number of response levels from 3 (3LY) to 5 (5LY) has been recently introduced. Although the validity and reliability of 5LY and 3LY for use in idiopathic scoliosis patients are compared, responsiveness of two questionnaires among children and adolescents is unknown. ⋯ 2.
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A retrospective analysis of national longitudinal database. ⋯ 3.
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Prospective cohort. ⋯ 3.