Multisurgeon assessment of coronal pattern classification systems for adolescent idiopathic scoliosis: reliability and error analysis

Spine
Hannes BehenskyKarlmeinrad Geisinger

Abstract

Three scoliosis surgeons and one orthopedic fellow were presented the anteroposterior radiographs of 70 patients with adolescent idiopathic scoliosis. All the reviewers assigned a type to each curve according to the classification systems of H. A. King and R. W. Coonrad. To compare multisurgeon reliability in applying the classification systems of H. A. King and R. W. Coonrad, and to analyze controversially classified curve patterns. The system most commonly used to classify adolescent idiopathic scoliosis is King's classification. However, because of poor interobserver reliability, the validity of this system is questioned. In contrast, high interobserver reliability is reported for Coonrad's classification system, which is used less frequently in clinical practice. Interobserver agreement and intraobserver reproducibility were tested. Kappa coefficients were used to test reliability. Between the observers, the divergent assignments to curve patterns were analyzed in both quantitative and qualitative terms. An error analysis was performed. Paired comparisons showed a mean interobserver kappa coefficient of 0.45 for King's and 0.38 for Coonrad's classification systems. According to Svanholm et al, these values indicate poor rel...Continue Reading

References

Jul 1, 1992·Journal of Pediatric Orthopedics·R E McCall, W Bronson
Aug 1, 1991·Spine·D E Mason, P Carango
Aug 1, 1989·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·H SvanholmS Olsen
Dec 1, 1993·The Journal of Bone and Joint Surgery. American Volume·K A Siebenrock, C Gerber
Sep 8, 1998·The Journal of Bone and Joint Surgery. American Volume·L G LenkeH L Shufflebarger

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Citations

May 24, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Hannes BehenskyJohn K Webb
Jul 11, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Antonio De CarvalhoPierre Mary
Oct 2, 2008·Neurosurgery·Justin S SmithPraveen V Mummaneni
Dec 3, 2009·Journal of Neurosurgery. Spine·Fred C LamPraveen V Mummaneni
Jul 1, 2014·Spine Deformity·Takahito FujimoriUNKNOWN Harms Study Group
Jul 14, 2017·Revista Brasileira De Ortopedia·Mauro Costa Morais Tavares JuniorTarcisio Eloy Pessoa de Barros Filho
Jan 17, 2014·Journal of Children's Orthopaedics·Dror Ovadia

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