Abstract
ABSTRACT A previous study using frequentist analytic methods on a single cohort showed no difference in forty-one patients under chiropractic management for mild or early stage scoliosis. The grantor requested a re-analysis. Plain film radiographs of 41 children and adolescents were re-measured by Risser-Ferguson and Cobb methods. Three magnitudes and three types of change were constructed to cover various notions of scoliosis change: magnitudes of 1°, 3°, or 5°, and types that alternatively included or omitted no change as a possible successful outcome (arrested progression). Improvement was assessed from using three filters across three definitions of progression: 1) curve improved or stable, 2) improved only, and 3) those that either improved or progressed. Data were then analyzed by evidential support methods and Bayesian analyses at each filter and type of progression to establish whether improvement was likely attributable to treatment or spine characteristics. Intra-class correlation for intra-exam...
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