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AO Spine-DGOU Osteoporotic Fracture Classification System: Internal Validation by the AO Spine Knowledge Forum Trauma

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dc.contributor.authorScherer, Julian
dc.contributor.authorJoaquim, Andrei
dc.contributor.authorVaccaro, Alex
dc.contributor.authorKanna, Rishi
dc.contributor.authorEl-Sharkawi, Mohammad
dc.contributor.authorTakahata, Masahiko
dc.contributor.authorAly, Mohamed
dc.contributor.authorCamino, Gaston
dc.contributor.authorSpiegl, Ulrich
dc.contributor.authorOner, Cumhur
dc.contributor.authorCanseco, Jose
dc.contributor.authorYurac, Ratko
dc.contributor.authorBenneker, Lorin
dc.contributor.authorPopescu, Eugen
dc.contributor.authorBransford, Richard
dc.contributor.authorChhabra, Harvinder
dc.contributor.authorKandziora, Frank
dc.contributor.authorNeva, Marko
dc.contributor.authorSchnake, Klaus
dc.date.accessioned2025-01-03T14:24:40Z
dc.date.available2025-01-03T14:24:40Z
dc.date.issued2024
dc.description.abstractStudy design: Cross-sectional survey. Objectives: Injury classifications are important tools to identify fracture patterns, guide treatment-decisions and aid to identify optimal treatment plans. The AO Spine-DGOU Osteoporotic Fracture (OF) classification system was developed, and the aim of this study was to assess the reliability of this new classification system. Methods: 23 Members of the AO Spine Knowledge Forum Trauma participated in the validation process. Participants were asked to rate 33 cases according to the OF classification at 2 time points, 4 weeks apart (assessment 1 and 2). The kappa statistic (κ) was calculated to assess inter-observer reliability and intra-rater reproducibility. The gold master key for each case was determined by approval of at least 5 out of 7 members of the DGOU. Results: A total of 1386 ratings (21 raters) were performed. The overall inter-rater agreement was moderate with a combined kappa statistic for the OF classification of 0.496 in assessment 1 and 0.482 in assessment 2. The combined percentage of correct ratings (compared to gold-standard) in assessment 1 was 71.4% and 67.4% in assessment 2. The average intra-rater reproducibility was substantial (κ = 0.74, median 0.76, range 0.55 to 1.00, SD 0.13) for the assessed fracture types. Conclusions: The assessed overall inter-rater reliability was moderate and substantial in some instances. The average intra-rater reproducibility is substantial. It seems that appropriate training of the classification system can enhance inter- and intra-rater reliability.
dc.description.versionVersión Publicada
dc.identifier.citationScherer J, Joaquim A, Vaccaro A, Kanna R, El-Sharkawi M, Takahata M, Aly MM, Camino-Willhuber G, Spiegl U, Oner C, Canseco JA, Yurac R, Benneker LM, Popescu EC, Bransford R, Chhabra HS, Kandziora F, Neva MH, Schnake KJ. AO Spine-DGOU Osteoporotic Fracture Classification System: Internal Validation by the AO Spine Knowledge Forum Trauma. Global Spine J. 2024 Sep 27:21925682241288187. doi: 10.1177/21925682241288187.
dc.identifier.orcidhttps://doi.org/10.1177/21925682241288187
dc.identifier.urihttps://hdl.handle.net/11447/9554
dc.language.isoen
dc.subjectFracture classification
dc.subjectOsteoporosis
dc.subjectSpinal fracture
dc.subjectValidation study
dc.titleAO Spine-DGOU Osteoporotic Fracture Classification System: Internal Validation by the AO Spine Knowledge Forum Trauma
dc.typeArticle
dcterms.accessRightsAcceso Abierto
dcterms.sourceGlobal Spine Journal
dspace.entity.typePublication
relation.isAuthorOfPublication631830b2-9e94-4f76-bf44-70d266274dbc
relation.isAuthorOfPublication.latestForDiscovery631830b2-9e94-4f76-bf44-70d266274dbc

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