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Specific pelvic shape in patients with developmental dysplasia of the hip on 3D morphometric homologous model analysis

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  • Yui Sasaki
  • Daisuke Suzuki
  • Ryo Tokita
  • Hiroyuki Takashima
  • Hirofumi Matsumura
  • Satoshi Nagoya

Abstract

Purpose: To clarify the morphological factors of the pelvis in patients with developmental dysplasia of the hip (DDH), three-dimensional (3D) pelvic morphology was analyzed using a template-fitting technique. Methods: Three-dimensional pelvic data of 50 patients with DDH (DDH group) and 3D pelvic data of 50 patients without obvious pelvic deformity (Normal group) were used. All patients were female. A template model was created by averaging the normal pelvises into a symmetrical and isotropic mesh. Next, 100 homologous models were generated by fitting the pelvic data of each group of patients to the template model. Principal component analysis was performed on the coordinates of each vertex (15,235 vertices) of the pelvic homologous model. In addition, a receiver-operating characteristic (ROC) curve was calculated from the sensitivity of DDH positivity for each principal component, and principal components for which the area under the curve was significantly large were extracted (p

Suggested Citation

  • Yui Sasaki & Daisuke Suzuki & Ryo Tokita & Hiroyuki Takashima & Hirofumi Matsumura & Satoshi Nagoya, 2024. "Specific pelvic shape in patients with developmental dysplasia of the hip on 3D morphometric homologous model analysis," PLOS ONE, Public Library of Science, vol. 19(6), pages 1-15, June.
    • Handle: RePEc:plo:pone00:0300938
    DOI: 10.1371/journal.pone.0300938
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