Document Detail

Apophysial joint degeneration, disc degeneration, and sagittal curve of the cervical spine. Can they be measured reliably on radiographs?
MedLine Citation:
PMID:  9127918     Owner:  NLM     Status:  MEDLINE    
STUDY DESIGN: Interexaminer reliability study. OBJECTIVES: To determine the reliability of grading apophysial joint and disc degenerative changes and the reliability of measuring sagittal curves on lateral cervical spine radiographs. SUMMARY OF BACKGROUND DATA: Several authors have proposed that the presented of degenerative changes and the absence of lordosis in the cervical spine are indicators of poor recovery from neck injuries caused by motor vehicle collisions. The validity of those conclusions is questionable because the reliability of the methods used in their studies to measure the presence of degenerative changes and the absence of lordosis has not been determined. METHODS: Kellgren's classification system for apophysial joint and disc degeneration, as well as the pattern and magnitude of the sagittal curve on 30 lateral cervical spine radiographs were assessed independently by three examiners. RESULTS: Moderate reliability was demonstrated for classifying apophysial joint degeneration with an intraclass correlation coefficient of 0.45 (95% confidence interval, 0.09-0.71). Classifying degenerative disc disease had substantial reliability, with an intraclass correlation coefficient of 0.71 (95% confidence interval, 0.23-0.88). Measuring the magnitude of the sagittal curve from C2 to C7 had excellent interexaminer agreement, with an intraclass correlation coefficient of 0.96 (95% confidence interval, 0.88-0.98) and an interexaminer error of 8.3 degrees. CONCLUSIONS: The classification system for degenerative disc disease proposed by Kellgren et al and the method of measurement of sagittal curves from C2 to C7 demonstrated an acceptable level of reliability and can be used in outcomes research.
P Côté; J D Cassidy; K Yong-Hing; J Sibley; J Loewy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Spine     Volume:  22     ISSN:  0362-2436     ISO Abbreviation:  Spine     Publication Date:  1997 Apr 
Date Detail:
Created Date:  1997-06-27     Completed Date:  1997-06-27     Revised Date:  2009-07-09    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  859-64     Citation Subset:  IM    
Division of Orthopaedics, University of Saskatchewan, Canada.
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MeSH Terms
Analysis of Variance
Cervical Vertebrae / injuries*,  radiography*
Intervertebral Disk Displacement / epidemiology,  radiography*
Observer Variation
Reproducibility of Results
Spinal Osteophytosis / epidemiology,  radiography*
Whiplash Injuries / epidemiology,  radiography*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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