How do you interpret the EQ-5D 5L index?
Those are rated by a verbal 5-point rating scale allowing for distinction of five levels (‘5L’) of severity: Level 1: no problems; Level 2: slight problems; Level 3: moderate problems; Level 4: severe problems; Level 5: extreme problems per dimension and providing a 1-digit number for each dimension.
What is the EQ-5D index?
EQ-5D is an instrument which evaluates the generic quality of life developed in Europe and widely used. The EQ-5D descriptive system is a preference-based HRQL measure with one question for each of the five dimensions that include mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
What is EQ-5D 3L?
The 3-level version of EQ-5D (EQ-5D-3L) was introduced in 1990 by the EuroQol Group. The EQ-5D-3L descriptive system comprises the following five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 3 levels: no problems, some problems, and extreme problems.
What is the difference between EQ-5D 3L and EQ-5D 5L?
EQ-5D-5L (5L) is superior to EQ-5D-3L (3L) with respect to various measurement properties, enabling improvements in sensitivity and precision in health status measurement. 5L provides more precise measurements than 3L at individual and group levels, both in terms of responses to EQ-5D items and the resultant utilities.
What is the EQ-5D 5L?
The EQ-5D-5L is a self-assessed, health related, quality of life questionnaire. The scale measures quality of life on a 5-component scale including mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
What is EQ-5D 5L?
EQ-5D-5L descriptive system Descriptive system for health-related quality of life states in adults, consisting of five dimensions (Mobility, Self-care, Usual activities, Pain & discomfort, Anxiety & depression), each of which has five severity levels that are described by statements appropriate to that dimension.
What is EQ 5D 5L?
The EuroQol 5 Dimension 5 Level (EQ-5D-5L) is a self-report survey that measures quality of life across 5 domains: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension is scored on a 5-level severity ranking that ranges from “no problems” through “extreme problems.”
How do you calculate QALY?
The QALY is simply calculated by multiplying the quality of life value by the number of years a patient is expected to live. The QALY allows comparisons between new and existing treatments to understand whether the new treatment brings additional QALYs (a QALY gain).
What is an EQ-5D-5L crosswalk value set?
A crosswalk value set is one that has been created for the EQ-5D-3L and then adapted to fit the EQ-5D-5L descriptive system. The crosswalk value sets were created by the EuroQol Group as an interim solution for use until national EQ-5D-5L value sets are available.
What is an EQ-5D index value?
The responses to the five EQ-5D dimensions (i.e. an EQ-5D health state or profile) can be converted into a single number called an index value. The index value reflects how good or bad the health state is according to the preferences of the general population of a country/region.
How are value sets generated for EQ-5D-3L?
Value sets have been generated using either the time trade-off (TTO) valuation technique or the visual analogue scale (VAS) valuation technique. A number of countries/regions have both TTO and VAS value sets for EQ-5D-3L.
What are the crosswalk value sets based on?
Crosswalk value sets are based on a study that administered both the EQ-5D-3L and the EQ-5D-5L in a sample of 3691 patients with different diseases and from different countries/regions. More information on the crosswalk methodology can be found here and here.