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Health-related quality of life in Denmark on a relative scale: mini-catalogue of mean EQ-5D-3L index scores for 17 common chronic conditions

Nordic Journal of Health Economics

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Title Health-related quality of life in Denmark on a relative scale: mini-catalogue of mean EQ-5D-3L index scores for 17 common chronic conditions
 
Creator Olesen, Anne Vingaard; Danish Centre for Healthcare Improvement
Department of Business and Management
Aalborg University
and
The Traffic Research Group
Department of Civil Engineering
Aalborg University
Oddershede, Lars; Danish Centre for Healthcare Improvement
Department of Business and Management
Aalborg University
Petersen, Karin Dam; Danish Centre for Healthcare Improvement
Department of Business and Management
Aalborg University
 
Subject Economics; Health; Statistics
utility, QALY, EQ-5D-3L, chronic conditions, health economic evaluation, CLAD
1I
 
Description In health economic evaluations the quality-adjusted life-year (QALY) is one of the preferred outcome measures. Catalogues of median-based decrements in EQ-5D-3L index scores for chronic conditions exist to inform economic evaluations but may not be appropriate for this purpose as mean, rather than median, EQ-5D-3L index scores are of primary interest. Firstly, we aim to estimate mean decrements in EQ-5D-3L index scores through a simple stratified analysis as an alternative to regression modelling. In addition, we aim to estimate the mean decrement in EQ-5D-3L index scores in percent relative to a disease-free reference population. Secondly, we aim to handle both multiple imputation and appropriate estimation of standard errors in the presence of individual sampling weights. Data on EQ-5D-3L from the National Health Profile, Denmark, 2013, were used to estimate the EQ-5D-3L index scores. Calculation of decrements in EQ-5D-3L index scores of chronic conditions was done while controlling for the additional number of chronic conditions beside the one in question, age and sex. Also, a test of homogeneity of decrements across subgroups was conducted. We provide a mini-catalogue of new percentage-scale decrements in EQ-5D-3L index scores. For example, we estimated that angina was associated with an 8.2% reduction in the EQ-5D-3L index score compared to a reference group without angina. If the mean EQ-5D-3L score was 0.848 among corresponding groups without angina; angina patients would have an EQ-5D-3L index score of (1-0.082)·0.848=0.778 using the percentage-scale. The estimated percentage reduction in the EQ-5D-3L index score was homogenous regardless of the number of additional chronic conditions, age and sex. We suggest a percentage-scale estimation of EQ-5D-3L index scores for chronic disorders as an alternative to existing median-based methods. Our estimates stem from a simpler model, which, we argue, is easier to use and interpret.Published: Online May 2016. In print August 2016.
 
Publisher University of Oslo
 
Contributor Department of Business and Management, Aalborg University
The North Denmark Region
 
Date 2016-08-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://www.journals.uio.no/index.php/NJHE/article/view/2413
10.5617/njhe.2413
 
Source Nordic Journal of Health Economics; Vol 4, No 2 (2016): Nordic Journal of Health Economics; pp. 44-56
1892-9710
1892-9729
 
Language eng
 
Relation https://www.journals.uio.no/index.php/NJHE/article/view/2413/3071
 
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