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Radiographic arthrosis after elbow trauma : interobserver reliability

Lindenhovius, Anneluuk, Karanicolas, Paul Jack, Bhandari, Mohit, Ring, David, COAST Collaborative and Page, Richard 2012, Radiographic arthrosis after elbow trauma : interobserver reliability, Journal of hand surgery, vol. 37, no. 4, pp. 755-759, doi: 10.1016/j.jhsa.2011.12.043.

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Title Radiographic arthrosis after elbow trauma : interobserver reliability
Author(s) Lindenhovius, Anneluuk
Karanicolas, Paul Jack
Bhandari, Mohit
Ring, David
COAST Collaborative
Page, RichardORCID iD for Page, Richard orcid.org/0000-0002-2225-7144
Contributor(s) Page, RichardORCID iD for Page, Richard orcid.org/0000-0002-2225-7144
Journal name Journal of hand surgery
Volume number 37
Issue number 4
Start page 755
End page 759
Total pages 5
Publisher W. B. Saunders
Place of publication Philadelphia, Pa.
Publication date 2012-04
ISSN 0363-5023
Summary Purpose : This study measured observer variation in radiographic rating of elbow arthrosis.

Methods : Thirty-seven independent orthopedic surgeons graded the extent of elbow arthrosis in 20 consecutive sets of plain radiographs, according to the Broberg and Morrey rating system (grade 0, normal joint; grade 1, slight joint-space narrowing with minimum osteophyte formation; grade 2, moderate joint-space narrowing with moderate osteophyte formation; and grade 3, severe degenerative change with gross destruction of the joint). The kappa multirater measure (κ) was used to estimate reliability between observers, with 0 indicating no agreement above chance, and 1 indicating perfect agreement.

Results : There was fair agreement in arthrosis ratings between surgeons. Surgeons with more than 10 years of experience had greater agreement than did surgeons with less experience, and surgeons who treated more than 10 elbow fractures per year had better agreement than did those treating fewer fractures. In post hoc analyses, 2 simplified binary rating systems (eg, “none or mild” vs “moderate or severe” arthrosis) resulted in moderate agreement among observers.

Conclusions : The 4 grades of the Broberg and Morrey classification system have only fair interobserver reliability that is influenced by subspecialty and experience. Binary rating systems might be more reliable.
Language eng
DOI 10.1016/j.jhsa.2011.12.043
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, W. B. Saunders
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047528

Document type: Journal Article
Collection: School of Medicine
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Created: Thu, 30 Aug 2012, 09:39:19 EST

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