Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 21470
  Title The prevalence of posticus ponticus: Retrospective analysis of radiographs from a chiropractic health center
Journal J Chiropr Med. 2010 Dec;9(4):162-165
Peer Review Yes
Publication Type Article
Abstract/Notes Objective: The potential clinical significance of posticus ponticus is controversial because the majority of patients with this finding are asymptomatic. This study sought to estimate the prevalence of posticus ponticus in a chiropractic college clinic patient population.

Methods: From the archived records in the College Health Center, 304 lateral cervical spine radiographs were randomly selected and assessed by 2 independent examiners for the presence of posticus ponticus in any of its forms. The number of radiographs showing posticus ponticus, as well as analysis of agreement between examiners, was obtained.

Results: There were 60 radiographs where the examiners disagreed as to the presence or absence of posticus ponticus. These 60 were not counted for prevalence of posticus ponticus but were included in the ê analysis. Among the remaining 246 radiographs, 112 (46%) showed some type of posticus ponticus, whereas 132 (54%) did not show any posticus ponticus finding. Examiners A and B showed a ê score agreement of 0.72, and examiners C and D showed a ê score agreement of 0.51.

Discussion: The ê scores for both sets of examiners show acceptable agreement. Within this population, the finding of 45.9% prevalence of some type of posticus ponticus was determined. Compared with other studies, the prevalence of posticus ponticus was found to range between 9% and 72%.

Conclusion: Within this sample, 45.9% of radiographs showed some type of posticus ponticus.

This abstract is reproduced with the permission of the publisher; click on the above link for free full text.

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