Challenges in Valuing Temporary Health States for Economic Evaluation: A Review of Empirical Applications of the Chained Time Trade-Off Method

Value in Health : the Journal of the International Society for Pharmacoeconomics and Outcomes Research
Julija StoniuteJing Shen

Abstract

The time trade-off (TTO) technique is commonly used to elicit health state utilities. Nevertheless, when the health states being valued are temporary, the TTO approach may be unsuitable. A variant of TTO- chained TTO-has been suggested to be used when the health states are temporary, but little research has been done on how chained TTO should be conducted. To systematically review the use of chained TTO in valuing temporary health states. A systematic literature search was conducted using the following major databases: Ovid MEDLINE(R), Embase, EBM Reviews, and PsycINFO. Abstracts (full articles if necessary) were screened by two independent reviewers, with a third reviewer resolving any disagreements. The resulting number of articles for review was low (n = 9). All the reviewed studies used face-to-face interviews, most had small sample sizes (<100), and all studies valued a small number of health states (<7), with time horizons typically ranging from 4 weeks to 1 year. All studies discussed methodological issues of using chained TTO, and some compared the results with those generated using other preference elicitation methods. Chained TTO appears to be feasible, consistent, and responsive and allows the valuation of temporary ...Continue Reading

Citations

Jun 27, 2019·PharmacoEconomics Open·Jing ShenUNKNOWN OPEN trial investigators
Aug 24, 2018·PharmacoEconomics·Namita JoshiElly Stolk
May 3, 2021·Value in Health : the Journal of the International Society for Pharmacoeconomics and Outcomes Research·Mathieu F JanssenGouke J Bonsel

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