Document Detail


Validity and reliability of a method for assessment of cervical vertebral maturation.
MedLine Citation:
PMID:  21875315     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Objective: To evaluate the validity and reliability of the cervical vertebral maturation (CVM) method with a longitudinal sample. Materials and Methods: Eighty-six cephalograms from 18 subjects (5 males and 13 females) were selected from the longitudinal database. Total mandibular length was measured on each film; an increased rate served as the gold standard in examination of the validity of the CVM method. Eleven orthodontists, after receiving intensive training in the CVM method, evaluated all films twice. Kendall's W and the weighted kappa statistic were employed. Results: Kendall's W values were higher than 0.8 at both times, indicating strong interobserver reproducibility, but interobserver agreement was documented twice at less than 50%. A wide range of intraobserver agreement was noted (40.7%-79.1%), and substantial intraobserver reproducibility was proved by kappa values (0.53-0.86). With regard to validity, moderate agreement was reported between the gold standard and observer staging at the initial time (kappa values 0.44-0.61). However, agreement seemed to be unacceptable for clinical use, especially in cervical stage 3 (26.8%). Conclusions: Even though the validity and reliability of the CVM method proved statistically acceptable, we suggest that many other growth indicators should be taken into consideration in evaluating adolescent skeletal maturation.
Authors:
Xiao-Guang Zhao; Jiuxiang Lin; Jiu-Hui Jiang; Qingzhu Wang; Sut Hong Ng
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-29
Journal Detail:
Title:  The Angle orthodontist     Volume:  -     ISSN:  1945-7103     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-8-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370550     Medline TA:  Angle Orthod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
a Postgraduate student, Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China.
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