Published in:
01-12-2003 | Commentary
Testing assumptions of quality-adjusted life-year calculations
Commentary on "An Exponential Representation of Health State Utility" from M. Happich
Author:
Ariel Béresniak
Published in:
The European Journal of Health Economics
|
Issue 4/2003
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Excerpt
The objective of this work was to test the validity of one assumption of the techniques used to calculate quality-adjusted life-year (QALY) values, using a real population survey. The most used method for determining QALYs from the utility values is an index calculation, which is a simple product of time (duration) and quality of life, i.e.:where ∑ kj=1 and the sum is taken over the whole range for j, between 1 and n. X is a vector of time and health state values. …