Assessment of Trunk Aesthetics: Development of a New Tool

"The first version of TRACE2 will be retrospectively verified through its application by experts on 150 photos of scoliosis patients who agreed to use the material produced for clinical use for retrospective research. Both intra-operator and inter-operator repeatability will be evaluated and a first Rasch analysis will be performed.~The new version of TRACE2 (TRACE2.2) obtained following the retrospective validation on the photos will be verified prospectively through its application by the experts on 150 patients in specialist medical examination. Both intra-operator and inter-operator repeatability will be evaluated and further Rasch analysis will follow. On the basis of the results obtained from the analysis, the new TRACE2 scale (TRACE2.3) will then be applied to a further 150 patients, its intra- and inter-operator repeatability will be calculated and a final Rasch analysis will be performed to arrive at the final version of the scale (TRACE2.4)."