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      Crosswalk EQ-5D-5L Value Set for Slovenia Translated title: PREHODNI EQ-5D-5L VREDNOSTNI SET ZA SLOVENIJO

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          Abstract

          Introduction

          Due to the availability of the EQ-5D-5L instrument official translation into Slovenian its use is widespread in Slovenia. However, the health profiles obtained in many studies cannot be ascribed their appropriate values as the EQ-5D-5L value set does not yet exist in Slovenia. Our aim was to estimate an interim EQ-5D-5L value set for Slovenia using the crosswalk methodology developed by the EuroQol Group on the basis of the EQ-5D-3L Slovenian TTO value set. Our secondary aim was to compare the interim values obtained with the EQ-5D-3L Slovenian values.

          Methods

          To obtain a Slovenian interim EQ-5D-5L value set, we applied the crosswalk methodology developed by the EuroQol Group to the Slovenian EQ-5D-3L TTO value set. We examined the differences between values by comparing the mean 3L and 5L value scores and the distribution of values across all respondents.

          Results

          By definition, 3-level and 5-level versions have the same range (from 1 to −0.495) and a health state coded 22222 in the 3-level version corresponds to 33333 in the 5-level version. While the addition of a “slight” severity level (22222) in the 5-level version has a low informational value, the addition of a “severe” health state (44444) covers larger range of the scale. The 5-level version results in fewer health states being valued below 0 and above 0.8.

          Conclusion

          The EQ-5D-5L value set, based on the crosswalk methodology, should be used until a value set for the EQ-5D-5L is derived from preferences elicited directly from a representative sample of the Slovenian general population.

          IZVLEČEK

          Uvod

          Uporaba instrumenta EQ-5D-5L je v Sloveniji že zelo razširjena zaradi razpoložljivosti uradnega prevoda instrumenta v slovenski jezik. Žal zdravstvenim profilom raziskovane populacije, pridobljenim v številnih raziskavah, ni mogoče pripisati njihovih vrednosti, saj v Sloveniji še nimamo izračunanih vrednosti EQ-5D-5L zdravstvenih stanj. Naš cilj je bil oceniti vrednosti zdravstvenih stanj EQ-5D-5L za Slovenijo z metodo mapiranja, ki jo je razvila skupina EuroQol. Za osnovo smo uporabili slovenske vrednosti zdravstvenih stanj EQ-5D-3L. Naš sekundarni cilj je bil primerjati pridobljene 5L vrednosti s slovenskimi vrednostmi EQ-5D-3L.

          Metode

          Za pridobitev slovenskega nabora vrednosti EQ-5D-5L smo uporabili metodologijo mapiranja, ki jo je razvila skupina EuroQol, preračunali pa smo jo iz vrednosti EQ-5D-3L TTO. Razlike med vrednostmi smo preučili s primerjavo povprečnih vrednosti 3L in 5L in porazdelitvijo vrednosti med vsemi anketiranci.

          Rezultati

          Po definiciji imata seta vrednosti za 3 in 5 ravni (EQ-5D-3L in EQ-5D-5L) enak razpon vrednosti (od 1 do −0,495), zdravstveno stanje 22222 v 3-stopenjski različici pa ustreza stanju 33333 v 5-stopenjski različici. Medtem ko ima dodatek “manjše” stopnje težavnosti oz. kodiranega stanja 22222 v 5-stopenjski različici majhno informacijsko vrednost, je dodana vrednost “hude” stopnje težavnosti oz. zdravstvenega stanja kodiranega kot 44444 večja in zajema večji obseg lestvice. 5-stopenjski set vrednosti rezultira v manj zdravstvenih stanjih, ki so ocenjene pod 0 in nad 0,8.

          Zaključek

          Nabor vrednosti EQ-5D-5L, ki je pridobljen z mapiranjem, lahko raziskovalci v Sloveniji uporabljajo vse dokler ne bodo na razpolago vrednosti stanja EQ-5D-5L, pridobljene neposredno iz preferenc reprezentativnega vzorca slovenske splošne populacije do zdravstvenih stanj.

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          Most cited references11

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          A Time Trade-off-derived Value Set of the EQ-5D-5L for Canada

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            The EQ-5D-5L valuation study in Korea.

            This study aimed to estimate Korean preference weights for EQ-5D-5L based on values elicited from Korean population by applying the EuroQol Valuation Technology (EQ-VT) program and the standard protocol by the EuroQol Group.
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              Is Open Access

              Comparison of Value Set Based on DCE and/or TTO Data: Scoring for EQ-5D-5L Health States in Japan.

              The valuation study of the five-level version of the EuroQol five-dimensional questionnaire (EQ-5D-5L) involved composite time trade-off (cTTO) and a discrete choice experiment (DCE). The DCE scores must be anchored to the quality-of-life scale from 0 (death) to 1 (full health). Nevertheless, the characteristics of the statistical methods used for converting the EQ-5D-5L DCE results by using TTO information are not yet clearly known.
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                Author and article information

                Journal
                Zdr Varst
                Zdr Varst
                sjph
                sjph
                Slovenian Journal of Public Health
                Sciendo
                0351-0026
                1854-2476
                September 2020
                25 June 2020
                : 59
                : 3
                : 189-194
                Affiliations
                [1 ]universityInstitute for Economic Research private , Kardeljeva ploščad 17, 1000 Ljubljana, Slovenia
                Author notes
                Article
                sjph-2020-0024
                10.2478/sjph-2020-0024
                7478094
                32952720
                b8d588b4-bc07-42a7-bb82-46e5c2b82a91
                © 2020 Valentina Prevolnik Rupel et al., published by Sciendo

                This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

                History
                : 04 April 2020
                : 09 June 2020
                Page count
                Pages: 6
                Categories
                Original Scientific Article

                euroqol,eq-5d-5l,interim value set,health-related quality of life,patient-reported outcomes,prehodni vrednostni set,z zdravjem povezana kakovost življenja,izhodi poročani s strani pacientov

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