Standard gamble, time trade-off and rating scale: experimental results on the ranking properties of QALYs

H Bleichrodt; M Johannesson

doi:10.1016/s0167-6296(96)00509-7

Standard gamble, time trade-off and rating scale: experimental results on the ranking properties of QALYs

J Health Econ. 1997 Apr;16(2):155-75. doi: 10.1016/s0167-6296(96)00509-7.

Authors

H Bleichrodt¹, M Johannesson

Affiliation

¹ Institute for Medical Technology Assessment (iMTA), Erasmus University, Rotterdam, The Netherlands.

PMID: 10169092
DOI: 10.1016/s0167-6296(96)00509-7

Abstract

This paper compares the relative performance of quality adjusted life years (QALYs) based on quality weights elicited by rating scale (RS), time trade-off (TTO) and standard gamble (SG). The standard against which relative performance is assessed is individual preference elicited by direct ranking. The correlation between predicted and direct ranking is significantly higher for TTO-QALYs than for RS-QALYs and SG-QALYs. This holds both based on mean Spearman rank correlation coefficients calculated per individual and based on two social choice rules: the method of majority voting and the Borda rule. Undiscounted TTO-QALYs are more consistent with direct ranking than discounted TTO-QALYs.

Publication types

Comparative Study
Research Support, Non-U.S. Gov't

MeSH terms

Activities of Daily Living
Consumer Behavior
Cost-Benefit Analysis
Decision Theory
Gambling
Health Care Costs
Health Services Research / methods*
Health Status Indicators
Humans
Quality-Adjusted Life Years*
Sweden