Rasch Analysis of the Dermatology Life Quality Index in Turkish Psoriasis Patients: Validation Study

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dc.contributor.authorTosun, Mustafa
dc.contributor.authorYasak Güner, Rukiye
dc.contributor.authorÇam, Selim
dc.contributor.authorDırım, Yusuf Cihan
dc.contributor.authorBülbül Başkan, Emel
dc.contributor.authorAkyol, Melih
dc.date.accessioned2024-10-26T17:53:06Z
dc.date.available2024-10-26T17:53:06Z
dc.date.issued2024
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractObjective: The Dermatology Life Quality Index (DLQI) is a widely used quality of life scale in many dermatological diseases such as psoriasis. Recently, there have been discussions about the inadequacy of DLQI in the evaluation of dermatological diseases. This study aimed to examine the psychometric properties of the DLQI scale, in a sample of Turkish psoriatic patients. Material and Methods: A total of 979 psoriasis patients, 509 male (52.4%) and 470 female (47.6%), who filled out the DLQI questionnaire between April 2013 and January 2019, were included in the study. This was a retrospective study conducted. Data were analyzed using the Rasch model to obtain meaningful scores for the DLQI. Results: According to the Rasch analysis, the measurement ability of the ninth question was found to be insufficient in general. It has been determined that DLQI scale items can vary in measuring ability according to age, gender and marital status are insufficient. In addition, it was found that the assumption that the answers in Likert-type expressions in the DLQI scale are equidistant from each other is not correct. Conclusion: DLQI seems to have a poor fit with the Rasch model for Turkish psoriasis patients. In addition, DLQI may vary according to age, gender and marital status. Therefore, it is recommended to develop new scales in the evaluation of psoriasis patients. © 2024 by Türkiye Klinikleri.
dc.identifier.doi10.5336/dermato.2023-98169
dc.identifier.endpage47
dc.identifier.issn1300-0330
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85204899412
dc.identifier.scopusqualityQ4
dc.identifier.startpage39
dc.identifier.urihttps://doi.org/10.5336/dermato.2023-98169
dc.identifier.urihttps://hdl.handle.net/20.500.12418/26727
dc.identifier.volume34
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherOrtadogu Reklam Tanitim Yayincilik Turizm Egitim Insaat Sanayi ve Ticaret A.S.
dc.relation.ispartofTurkiye Klinikleri Dermatoloji
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectDermatology Life Quality Index; Psoriasis; Rasch analysis
dc.titleRasch Analysis of the Dermatology Life Quality Index in Turkish Psoriasis Patients: Validation Study
dc.title.alternativeTürk Psoriasis Hastalarında Dermatoloji Yaşam Kalitesi İndeksinin Rasch Analizi: Geçerlilik Çalışması
dc.typeArticle

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