A threshold explanation for the lack of variation in negative composite time trade-off values

Overview, Update, and Lessons Learned From the International EQ-5D-5L Valuation Work: Version 2 of the EQ-5D-5L Valuation Protocol

(2019) Elly Stolk et al.   VALUE IN HEALTH

Valuation of Health States Considered to Be Worse Than Death—An Analysis of Composite Time Trade-Off Data From 5 EQ-5D-5L Valuation Studies

(2018) Mihir Gandhi et al.   VALUE IN HEALTH

EuroQol Protocols for Time Trade-Off Valuation of Health Outcomes

(2016) Mark Oppe et al.   PHARMACOECONOMICS

Dutch Tariff for the Five-Level Version of EQ-5D

(2016) Matthijs M. Versteegh et al.   VALUE IN HEALTH

How dead is dead? Qualitative findings from participants of combined traditional and lead-time time trade-off valuations

(2015) Fatima Al Sayah et al.   QUALITY OF LIFE RESEARCH

The Better than Dead Method: Feasibility and Interpretation of a Valuation Study

(2014) R. A. van Hoorn et al.   PHARMACOECONOMICS

A Program of Methodological Research to Arrive at the New International EQ-5D-5L Valuation Protocol

(2014) Mark Oppe et al.   VALUE IN HEALTH

A Shortcut to Mean-Based Time Tradeoff Tariffs for the EQ-5D?

(2012) Kim Rand-Hendriksen et al.   MEDICAL DECISION MAKING

Development and preliminary testing of the new five-level version of EQ-5D (EQ-5D-5L)

(2011) M. Herdman et al.   QUALITY OF LIFE RESEARCH