Glossary Term

TTO

Time Trade-Off (TTO) is a utility measurement method in which respondents trade years in a reduced health state for fewer years in full health, used to derive utility values for QALY calculations.

Illustration representing TTO
Listen to definition
Related terms
SG VAS Utility
Further reading
Wikipedia: Time Trade-Off Lugnér & Krabbe 2020 Browse the HEOR resource database

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Media Kit · Q2 2026

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