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Figure 1: Relationship between QALYs and DALYs when the DALYs are not age-weighted.
(Robberstad B., 2005)
Valuation of Health Outcomes
The valuation of health outcomes requires the measurement of the health status of
an individual. The tools for this may be either for a single attribute or for multiple ones.
• Single (comprehensive) measurement
o Visual Analogue Scale
o Standard Gamble
o Time Trade-Off
• Multi-attribute utility measurement
o E.g., EuroQoL (EQ-5D), Health Utility Index (HUI), Short Form 6D (SF-6D)
These will be discussed in brief in the next part of this chapter so as to impart a basic
idea on how to use these as tools to collect health status related data from an individual. The
use itself depends on what type of study is being conducted and in what form does one want
the data while computing the health outcomes.
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