Validation of the sino-nasal outcome test in Chile

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dc.contributor.authorBreinbauer, Hayo
dc.contributor.authorVarela, Cecilia
dc.contributor.authorNunez, Mauricio
dc.contributor.authorUgarte, Soledad
dc.contributor.authorGarfias, Raul
dc.contributor.authorFonseca, Ximena
dc.date.accessioned2024-01-10T13:44:08Z
dc.date.available2024-01-10T13:44:08Z
dc.date.issued2011
dc.description.abstractBackground: Allergic rhinitis and sinusitis are common diseases that affect quality of life of pediatric and adult patients. Aim: To adapt and validate the Sino-Nasal Outcome Test 20 indicators (SNOT-20) survey in Chilean subjects. Material and Methods: In a psychometric validation study, an adapted version of the SNOT-20 adapted version was applied to 181 volunteers on two different occasions, three weeks apart. Feasibility (response time and perceived difficulty), reliability (internal consistency and test-retest) and validity (concurrent validity, correlating results with an independent instrument; predictive validity assessing its sensitivity to detect changes and discriminant validity, assessing receiver operating characteristic (ROC) curves), were assessed. An exploratory factor analysis was performed to confirm the presence of previously described underlying constructs. Results: Eighty percent of participants considered SNOT-20 easy to complete. This task was completed in less than 5 minutes. Cronbach's alpha was 0.946. Temporal stability on a healthy subgroup was strong with an intraclass correlation coefficient of 0.92. SNOT-20 had a correlation coefficient of 0.82 with an independent instrument and its score significantly decreased after 3 weeks of treatment (p = 0.003). The area under ROC curve was 0.895. Factor analysis identified four principal components which possessed identical structure as previously described. Conclusions: SNOT-20 survey was valid, reliable and easy to implement among Chilean subjects. (Rev Med Chile 2011; 139: 886-895).
dc.format.extent10 páginas
dc.fuente.origenWOS
dc.identifier.doi10.4067/S0034-98872011000700009
dc.identifier.eissn0717-6163
dc.identifier.issn0034-9887
dc.identifier.pubmedidMEDLINE:22051826
dc.identifier.uri10.4067/S0034-98872011000700009
dc.identifier.wosidWOS:000293874000009
dc.information.autorucMedicina;Breinbauer H ;S/I;190176
dc.information.autorucMedicina;Fonseca M;S/I;98755
dc.information.autorucMedicina;Garfias R ;S/I;142559
dc.information.autorucMedicina;Ugarte S ;S/I;131933
dc.issue.numero7
dc.language.isoes
dc.nota.accesocontenido completo
dc.pagina.final895
dc.pagina.inicio886
dc.publisherSOC MEDICA SANTIAGO
dc.revistaREVISTA MEDICA DE CHILE
dc.rightsacceso abierto
dc.subjectAssessment, patient outcomes
dc.subjectRhinitis
dc.subjectallergic, perennial
dc.subjectSinusitis
dc.subjectQUALITY-OF-LIFE
dc.subjectCHRONIC RHINOSINUSITIS
dc.subjectSINUS SURGERY
dc.subjectRHINITIS
dc.subjectPLACEBO
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa03 Salud y bienestar
dc.titleValidation of the sino-nasal outcome test in Chile
dc.typeartículo
dc.volumen139
sipa.codpersvinculados190176
sipa.codpersvinculados98755
sipa.codpersvinculados142559
sipa.codpersvinculados131933
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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