An inter- and intra-rater agreement assessment of a novel classification of pyogenic spinal infections

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dc.contributor.authorCamino-Willhuber, Gaston
dc.contributor.authorDelgado, Byron
dc.contributor.authorAstur, Nelson
dc.contributor.authorGuiroy, Alfredo
dc.contributor.authorValacco, Marcelo
dc.contributor.authorNasto, Luigi Aurelio
dc.contributor.authorPiccone, Luca
dc.contributor.authorBarbanti-Brodano, Giovanni
dc.contributor.authorLeone, Antonio
dc.contributor.authorCipolloni, Valerio
dc.contributor.authorPola, Enrico
dc.contributor.authorUrrutia, Julio
dc.date.accessioned2025-01-20T22:01:08Z
dc.date.available2025-01-20T22:01:08Z
dc.date.issued2022
dc.description.abstractPurpose Pola et al. described a clinical-radiological classification of pyogenic spinal infections (PSI) based on magnetic resonance imaging (MRI) features including vertebral destruction, soft tissue involvement, and epidural abscess, along with the neurological status. We performed an inter- and intra-observer agreement evaluation of this classification. Methods Complete MRI studies of 80 patients with PSI were selected and classified using the scheme described by Pola et al. by seven evaluators. After a four-week interval, all cases were presented to the same assessors in a random sequence for repeat assessment. We used the weighted kappa statistics (w kappa) to establish the inter- and intra-observer agreement. Results The inter-observer agreement was substantial considering the main categories (w kappa = 0.77; 0.71-0.82), but moderate considering the subtypes (w kappa = 0.51; 0.45-0.58). The intra-observer agreement was substantial considering the main types (w kappa = 0.65; 0.59-0.71), and moderate considering the subtypes (w kappa = 0.58; 0.54-0.63). Conclusion The agreement at the main type level indicates that this classification allows adequate communication and may be used in clinical practice; at the subtypes level, the agreement is only moderate.
dc.fuente.origenWOS
dc.identifier.doi10.1007/s00586-021-07077-8
dc.identifier.eissn1432-0932
dc.identifier.issn0940-6719
dc.identifier.urihttps://doi.org/10.1007/s00586-021-07077-8
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/93794
dc.identifier.wosidWOS:000740606100001
dc.issue.numero2
dc.language.isoen
dc.pagina.final453
dc.pagina.inicio448
dc.revistaEuropean spine journal
dc.rightsacceso restringido
dc.subjectAgreement study
dc.subjectPyogenic spinal infections
dc.subjectSpondylodiscitis
dc.subjectNeurological involvement
dc.subjectVertebral osteomyelitis
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa03 Salud y bienestar
dc.titleAn inter- and intra-rater agreement assessment of a novel classification of pyogenic spinal infections
dc.typeartículo
dc.volumen31
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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