Observational studyEuropean journal of physical and rehabilitation medicine2025
Association between trunk aesthetics and underling scoliosis severity and curve type in adolescents: evaluation of traditional clinical scores and novel automated indices from rasterstereographic imaging.
Observational study in European journal of physical and rehabilitation medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- A Modified Dot-Pattern Moiré Fringe Topography Technique for Efficient Human Body Surface Analysis.Sensors (Basel, Switzerland) · 2026Article
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5 authors.
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Abstract
backgroundTrunk aesthetics is an important aim in treating adolescent idiopathic scoliosis (AIS). While subjective measures like the Scoliosis Research Society-22 questionnaire are commonly used, objective methods, such as the Trunk Aesthetic Clinical Evaluation (TRACE) index, are less explored. Non-invasive imaging techniques like rasterstereography (RST) have been studied to reduce radiographic exposure in AIS, though their correlation with Cobb angles remains weak. Notwithstanding, RST provides detailed trunk shape information that could enhance aesthetic evaluations.
aimTo evaluate the correlation between aesthetic indices (TRACE and novel automated RST-based) and radiographic characteristics.
designCross-sectional observational controlled diagnostic study.
settingOutpatient rehabilitation center for conservative treatment of spinal deformities. POPULATION: 675 AIS subjects (age 13±2 years; Cobb angles 10-45°) with trunk photographs, RST scans, and standing radiographs within three months.
methodsTwo automated RST aesthetic evaluations (l_match and l_dist) were developed based on TRACE principles, providing total and sub-scores for shoulders, scapulae, hemithorax, and waist. TRACE assessments on RST images and photographs were conducted by two raters, with intra- and inter-rater reliability tested in a subset of 28 participants. Correlations among TRACE (photographic and RST), automated RST evaluations, scoliosis severity, and curve type were analyzed.
resultsTRACE confirmed strong intra-rater (0.73-0.96) and moderate inter-rater (0.61-0.74) reliability. Correlations between aesthetic measures were weak: RST and photographic TRACE (0.3 overall, 0.02-0.4 sub-scores), and RST TRACE with automated evaluations (0.27-0.28 overall, 0.06-0.29 sub-scores). Correlations between Cobb angles and aesthetic evaluations ranged from weak to moderate: RST TRACE (0.35-0.42), photographic TRACE (0.13-0.53), l_match (-0.05 to -0.44), and l_dist (0.03-0.49). Waist sub-scores showed strongest correlations in thoracic and thoracolumbar curves, with thoracic curves yielding best results for automated RST evaluations.
conclusionsThe new automated RST-based aesthetic evaluation did not show clear superiority on TRACE. In the current absence of a gold standard, choices should prioritize reliability, validity, and clinical utility. Aesthetic and radiographic evaluations were weakly correlated but showed consistent patterns across trunk areas and curve types, highlighting the multifactorial nature of scoliosis-related aesthetics warranting further exploration. CLINICAL REHABILITATION IMPACT: While the development of robust tools to assess aesthetics beyond radiography is ongoing, TRACE remains a reliable and cost-effective instrument for routine clinical use.
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