Improving the Valuation of the EQ-5D-5L by Introducing Quality Control and Integrating TTO and DCE
Verbeteringen van het waarderen van de EQ-5D-5L door het invoeren van kwaliteitscontrole en het integreren van TTO en DCE
Background: Recently, a new version of the standard EQ-5D questionnaire called EQ-5D-5L with 5 levels on each dimension was developed. To make the EQ-5D-5L suitable for use in economic evaluations, national value sets need to be developed. A standardized valuation protocol has been suggested for that purpose, to enable comparison of values across countries. This protocol included two elicitation techniques, the ‘composite time trade-off’ (C-TTO), and ‘discrete choice experiments’ (DCE).
This thesis describes experiences with first use of that standardized protocol and major evolvements happening to it since, with a focus on the following three questions:
1) What problems may be encountered in the use of the EQ-5D-5L valuation protocol to generate national value sets?
2) How can the protocol be improved?
3) How can the produced data best be modelled to develop a value set?
Conclusions: The studies presented in this thesis, together with similar work accomplished elsewhere, have resulted in an evolved valuation protocol for the EQ-5D-5L instrument, paired with a quality assurance procedure and novel analytical approaches. The updated protocol has enabled teams from all over the world to successfully establish EQ-5D-5L value sets.
|Keywords||EQ-5D-5L, Valuation, Quality control, Modelling, Hybrid model|
|Promotor||J.J. van Busschbach (Jan) , O. Rivero-Arias (Oliver) , E.A. Stolk (Elly)|
|Publisher||Erasmus University Rotterdam|
Ramos-Goñi, J.M. (2018, June 8). Improving the Valuation of the EQ-5D-5L by Introducing Quality Control and Integrating TTO and DCE. Erasmus University Rotterdam. Retrieved from http://hdl.handle.net/1765/105964
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