Variability in Cobb angle measurements in children with congenital scoliosis

R. T. Loder, A. Urquhart, H. Steen, G. Graziano, R. N. Hensinger, A. Schlesinger, M. A. Schork, Y. Shyr

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76 引文 斯高帕斯(Scopus)


The variability in measurement of angles in congenital scoliosis is not known, but it is postulated that it is larger than that in adolescent idiopathic scoliosis due to skeletal immaturity, incomplete ossification, and anomalous development of the end-vertebrae. To determine this variability, we selected 54 radiographs of adequate quality showing 67 scoliotic curves from children with congenital scoliosis. The end-vertebrae were preselected. Each curve was measured by the Cobb method on two separate occasions by six different observers, using the same goniometer and marker, The intraobserver variability was ± 9.6° and the interobserver variability ± 11.8°. If 'significant progression' is to be used as a criterion for surgical fusion in congenital scoliosis, there should be at least a 23° increase, the entire range of the interobserver variability, in the curvature to ensure that the perceived increase is not due to variability in measurement.

頁(從 - 到)768-770
期刊Journal of Bone and Joint Surgery - Series B
出版狀態Published - 1995

All Science Journal Classification (ASJC) codes

  • 手術
  • 骨科和運動醫學


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