| Reliability assessment and correlation analysis of evaluating orthodontic treatment outcome in Chinese patients |
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| 作者姓名： | Guang-Ying Song Zhi-He Zhao Yin Ding Yu-Xing Bai Lin Wang Hong He Gang Shen Wei-Ran Li Sheldon Baumrind Zhi Geng Tian-Min Xu |
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| 基金项目： | We,thank,all,the,patients,and,69,orthodontists,who,agreed,to,take,part,in,this,study.,We,also,thank,the,West,China,School,of,Stomatology,at,Sichuan,University,,the,School,of,Stomatology,at,the,Fourth,Military,Medical,University,,the,Beijing,Stomatological,Hospital,and,School,of,Stomatology,at,Capital,Medical,University,,the,Stomatological,Hospital,and,Col,ege,of,Nanjing,Medical,University,and,the,Hospital,of,Stomatology,at,Wuhan,University.,This,study,would,not,have,been,possible,without,their,participation.,We,thank,Dr,Edward,L,Korn,from,the,National,Institute,of,Health,for,his,invaluable,assistance,in,designing,this,study.,This,work,was,supported,by,the,Specific,Research,Project,of,Health,Pro,Bono,Sector,,Ministry,of,Health,,China(项目编号：200802056) |
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| 摘 要： | This study aimed to assess the reliability of experienced Chinese orthodontists in evaluating treatment outcome and to determine the correlations between three diagnostic information sources. Sixty-nine experienced Chinese orthodontic specialists each evaluated the outcome of orthodontic treatment of 108 Chinese patients. Three different information sources： study casts （SC）, lateral cephalometric X-ray images （LX） and facial photographs （PH） were generated at the end of treatment for 108 patients selected randomly from six orthodontic treatment centers throughout China. Six different assessments of treatment outcome were made by each orthodontist using data from the three information sources separately and in combination. Each assessment included both ranking and grading for each patient. The rankings of each of the 69 judges for the 108 patients were correlated with the rankings of each of the other judges yielding 13 873 Spearman rs values, ranging from -0.08 to ＋0.85. Of these, 90% were greater than 0.4, showing moderate-to-high consistency among the 69 orthodontists. In the combined evaluations, study casts were the most significant predictive component （R2=0.86, P〈0.000 1）, while the inclusion of lateral cephalometric films and facial photographs also contributed to a more comprehensive assessment （R2=0.96, P〈0.000 1）. Grading scores for SC＋LX and SC＋PH were highly significantly correlated with those for SC＋LX＋PH （r（SC＋LX）vs.（SC＋LX＋PH）=0.96, r（SC＋PH）vs.（SC＋LX＋PH）=0.97）, showing that either SC＋LX or SC＋PH is an excellent substitute for all three combined assessment,
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| 关 键 词： | 可靠性评估 相关性分析 治疗 中国 正畸 患者 评价 PH值 |
| 收稿时间： | 2012 Dec 22 |
Reliability assessment and correlation analysis of evaluating orthodontic treatment outcome in Chinese patients |
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| Guang-Ying Song,Zhi-He Zhao,Yin Ding,Yu-Xing Bai,Lin Wang,Hong He,Gang Shen,Wei-Ran Li,Sheldon Baumrind,Zhi Geng,Tian-Min Xu.Reliability assessment and correlation analysis of evaluating orthodontic treatment outcome in Chinese patients[J].International journal of oral science,2014,0(1):50-55. |
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| Authors: | Guang-Ying Song Zhi-He Zhao Yin Ding Yu-Xing Bai Lin Wang Hong He Gang Shen Wei-Ran Li Sheldon Baumrind Zhi Geng Tian-Min Xu |
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| Institution: | Guang-Ying Song(Department of 0rthodontics, School and Hospital of Stomatology, Peking University, Beijing, China)；Zhi-He Zhao(State Key Laboratory of 0ral Diseases, Department of 0rthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China)；Yin Ding(Department of 0rthodontics, School of Stomatology, Fourth Military Medical University, Xi’an, China)；Yu-Xing Bai(Department of 0rthodontics, School of Stomatology, Capital Medical University, Beijing, China)；Lin Wang(Department of 0rthodontics, Institute of Stomatology, Nanjing Medical University, Nanjing, China)；Hong He(Department of 0rthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China)；Gang Shen(Department of 0rthodontics, School of Stomatology, Shanghai Jiao Tong University, Shanghai, China)；Wei-Ran Li(Department of 0rthodontics, School and Hospital of Stomatology, Peking University, Beijing, China)；Sheldon Baumrind(Department of 0rthodontics, School of Dentistry, University of the Pacific, San Francisco, USA)；Zhi Geng(School of Mathematical Sciences, Peking University, Beijing, China)；Tian-Min Xu(Department of 0rthodontics, School and Hospital of Stomatology, Peking University, Beijing, China)； |
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| Abstract: | This study aimed to assess the reliability of experienced Chinese orthodontists in evaluating treatment outcome and to determine the correlations between three diagnostic information sources. Sixty-nine experienced Chinese orthodontic specialists each evaluated the outcome of orthodontic treatment of 108 Chinese patients. Three different information sources:study casts (SC), lateral cephalometric X-ray images (LX) and facial photographs (PH) were generated at the end of treatment for 108 patients selected randomly from six orthodontic treatment centers throughout China. Six different assessments of treatment outcome were made by each orthodontist using data from the three information sources separately and in combination. Each assessment included both ranking and grading for each patient. The rankings of each of the 69 judges for the 108 patients were correlated with the rankings of each of the other judges yielding 13 873 Spearman rs values, ranging from-0.08 to 10.85. Of these, 90%were greater than 0.4, showing moderate-to-high consistency among the 69 orthodontists. In the combined evaluations, study casts were the most significant predictive component (R250.86, P,0.000 1), while the inclusion of lateral cephalometric films and facial photographs also contributed to a more comprehensive assessment (R250.96, P,0.000 1). Grading scores for SC1LX and SC1PH were highly significantly correlated with those for SC1LX1PH (r(SC1LX)vs.(SC1LX1PH)50.96, r(SC1PH)vs.(SC1LX1PH)50.97), showing that either SC1LX or SC1PH is an excellent substitute for all three combined assessment. |
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| Keywords: | correlation analysis orthodontic treatment outcome reliability subjective assessment |
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