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KMID : 1189320150090030407
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Asian Spine Journal
2015 Volume.9 No. 3 p.407 ~ p.415
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Adolescent Scoliosis Screening in Nara City Schools: A 23-Year Retrospective Cross-Sectional Study
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Yamamoto Satoshi
Shigematsu Hideki
Kadono Fumihiko
Tanaka Yukihiro
Tatematsu Masataka
Okuda Akinori
Iwata Eiichiro
Koizumi Munehisa
Tanaka Yasuhito
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Abstract
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Study Design: Retrospective cross-sectional study.
Purpose: To determine the prevalence of idiopathic scoliosis, define the distribution of the curve magnitude, evaluate the accuracy of Moire topography as a screening tool, and investigate the cost-effectiveness of our screening system.
Overview of Literature: Early detection of idiopathic scoliosis provides the opportunity for conservative treatment before the deformity is noticeable. We believe that scoliosis screening in schools is useful for detection; however, screening programs are controversial owing to over referral of students who do not require further testing or follow-up. In Japan, school scoliosis screening programs are mandated by law with individual policies determined by local educational committees. We selected Moire topography as the scoliosis screening tool for schools in Nara City.
Methods: We selected Moire topography as the scoliosis screening tool for schools in Nara City. We screened boys and girls aged 11-14 years and reviewed the school scoliosis screening results from 1990 to 2012.
Results: A total of 195,149 children aged 11-14 years were screened. The prevalence of scoliosis (defined as ≥10° curvature) was 0.057%, 0.010%, and 0.059% in fifth, sixth, and seventh grade boys and 0.337%, 0.369%, and 0.727% in fifth, sixth, and seventh grade girls, respectively. The false-positive rate of our Moire topography was 66.7%. The minimum cost incurred for scoliosis detection in one student was 2,000 USD.
Conclusions: The overall prevalence of scoliosis was low in the students of Nara City schools. Over 23 years, the prevalence of scoliosis in girls increased compared to that in the first decade of the study.
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KEYWORD
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Scoliosis, Mass screening, Prevalence, Moire topography, Costs and cost analysis
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