Towards a Central‑Eastern European EQ‑5D‑3L population norm: comparing data from Hungarian, Polish and Slovenian population studies

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Abstract

Abstract Background EQ-5D-3L population data are available only from Hungary, Poland and Slovenia in Central and Eastern Europe (CEE). We aimed to compare the accessible studies and estimate a regional EQ-5D-3L population norm for CEE. Methods A combined dataset using patient-level data of 8850 respondents was created. Based on the European Census of 2011, regional population norm estimates were calibrated by gender, age and education for the joint citizenry of 11 CEE countries. Results EQ-5D-3L health states were available for 6926 and EQ VAS scores for 6569 respondents. Demographic characteristics of the samples refected the recruitment methods (Hungary: online; Slovenia: postal survey, Poland: personal interviews). Occurrence of problems difered signifcantly by educational level in all the fve dimensions (p<0.001). The inter-country diferences persisted after controlling for demographic variables. The estimated EQ-5D-3L index CEE norms with UK tarifs for age groups 18–24, 25–34, 35–44, 45–54, 55–64, 65–74 and 75+were 0.911, 0.912, 0.871, 0.817, 0.762, 0.743 and 0.636 for males and 0.908, 0.888, 0.867, 0.788, 0.752, 0.68 and 0.584 for females, respectively. Estimates were provided also using Polish, European and Slovenian value sets. Conclusions Besides gender and age, education should be considered during the design and interpretation of quality-of-life studies in CEE. The estimated regional EQ-5D-3L population norm may be used as a benchmark by CEE countries with lack of local dataset. However, the substantial inter-country diferences in health status and scarcity of data over age 65 call for harmonized country-specifc EQ-5D-3L population norm studies in the CEE region.