Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 25307
  Title Degenerative findings on MRI of the cervical spine: An inter- and intra-rater reliability study
Journal Chiropr & Manual Ther. 2018 ;26(43):Online access only 8 p
Peer Review Yes
Publication Type Article

Background: Knowledge about the assessment reliability of common cervical spine changes is a prerequisite for precise and consistent communication about Magnetic Resonance Imaging (MRI) findings. The purpose of this study was to determine the inter- and intra-rater reliability of degenerative findings when assessing cervical spine MRI.

Methods: Fifty cervical spine MRIs from subjects with neck pain were used. A radiologist, a chiropractor and a second-year resident of rheumatology independently assessed kyphosis, disc height, disc contour, vertebral endplate signal changes, spinal canal stenosis, neural foraminal stenosis, and osteoarthritis of the uncovertebral and zygapophyseal joints. An evaluation manual was composed containing classifications and illustrative examples, and ten of the MRIs were evaluated twice followed by consensus meetings to refine the classifications. Next, the three readers independently assessed the full sample. Reliability measures were reported using prevalence estimates and unweighted kappa (Κ) statistics.

Results: The overall inter-rater reliability was substantial (Κ ≥ 0.61) for the majority of variables and moderate only for zygapophyseal osteoarthritis (Κ = 0.56). Intra-rater reliability estimates were higher for all findings.

Conclusions: The present classifications for some of the most common cervical degenerative findings yielded mainly substantial inter-rater reliability estimates and substantial to almost perfect intra-rater reliability estimates.

Author keywords:  Magnetic resonance imaging — Reliability-Cervical spine — Degenerative — Classification — MRI — Agreement

Author affiliations: LTM, CMS: DEFACTUM, Central Denmark Region, Aarhus C, Denmark; LTM, CMS: Section of Clinical Social Medicine and Rehabilitation, Department of Public Health, Aarhus University, Aarhus C, Denmark; LTM: Spine Centre, Diagnostic Centre, University Research Clinic for Innovative Patient Pathways, Silkeborg Regional Hospital, Silkeborg, Denmark; MWK, TSJ: Department for Diagnostic Imaging, Diagnostic Centre, University Research Clinic for Innovative Patient Pathways, Silkeborg Regional Hospital, Silkeborg, Denmark; TSJ: Nordic Institute of Chiropractic and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark

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


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