Intra- and inter-observer reliability of Laredo classification system in Legg–Calvé–Perthes Disease

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dc.contributor.authorErkus S.
dc.contributor.authorTurgut A.
dc.contributor.authorKalenderer O.
dc.contributor.authorYuksel K.
dc.date.accessioned2019-10-26T21:12:13Z
dc.date.available2019-10-26T21:12:13Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractThe purpose of the current study was to investigate intra- and inter-observer reliability of arthrographic Laredo classification system in Perthes disease. Forty-seven patients were included in this cross-sectional descriptive study. Patients’ age, gender, physical findings and hip arthrographs were collected from hospital medical records. Two different sets of power point slides were prepared in which the order of cases was randomized and blinded. Observers were divided into three groups according to their surgical experience (9 residents, 10 seniors, 10 pediatric orthopedists), and they assessed two times 1 month’s intervals. Statistical analysis was performed by using the SPSS v21. Inter- and intra-observer reliabilities were calculated using intra-class correlation coefficient, weighted kappa and percentage agreement. Percentage agreement of Laredo classification was about 50% for all groups (residents, seniors and pediatric orthopedists); intra-observer reliabilities were excellent, excellent and fair, respectively. Inter-observer reliability of Laredo classification for each set was found to be excellent for all groups. Length of experience did not correlated significantly with the level of intra-observer agreement. As a conclusion, our results showed that Laredo’s arthrographic classification system’s intra-observer reliability is at least at a fair level and inter-observer reliability is at an excellent level. We believe that this classification system is valuable for an orthopedic surgeon who deals with the treatment of Perthes disease. © 2019, Springer-Verlag France SAS, part of Springer Nature.en_US
dc.identifier.doi10.1007/s00590-019-02405-7en_US
dc.identifier.endpage1047en_US
dc.identifier.issn1633-8065
dc.identifier.issue5en_US
dc.identifier.pmid30788596en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1043en_US
dc.identifier.urihttps://doi.org/10.1007/s00590-019-02405-7
dc.identifier.urihttps://hdl.handle.net/11454/15642
dc.identifier.volume29en_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringer-Verlag Franceen_US
dc.relation.ispartofEuropean Journal of Orthopaedic Surgery and Traumatologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectArthrographyen_US
dc.subjectChildrenen_US
dc.subjectLaredo classificationen_US
dc.subjectPerthesen_US
dc.subjectReliabilityen_US
dc.titleIntra- and inter-observer reliability of Laredo classification system in Legg–Calvé–Perthes Diseaseen_US
dc.typeArticleen_US

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