Disease-Specific InstrumentDisease-Targeted Measure, Disease-Specific Questionnaire
A health status questionnaire capturing outcomes and symptoms relevant to a particular condition, more sensitive to change than a generic instrument.
Outcomes & Quality of Life
Terms for measuring and valuing health outcomes, including patient-reported outcomes, utility values and QALYs.
- Topic: Outcomes & Quality of Life
- 38 terms
- Editor reviewed
DisutilityUtility Loss, Negative Utility
The reduction in utility from experiencing a health state worse than full health, expressed as a value below one on the utility scale.
EQ-5DEuroQol 5D, EQ5D
A generic instrument measuring health-related quality of life across five dimensions, including mobility, self-care, and pain, widely used to generate cost-utility values.
EQ-5D-3LEQ-5D-3-Level, Three-Level EQ-5D
The original three-level version of the EQ-5D, scoring each of the five health dimensions as no problems, some problems, or extreme problems.
EQ-5D-5LEQ-5D-5-Level, Five-Level EQ-5D
An extended version of the EQ-5D scoring each health dimension using five severity levels rather than three, improving sensitivity to smaller changes.
Floor EffectFloor Limitation, Bottom-End Clustering
A measurement limitation in which many respondents score at or near the worst possible value, leaving an instrument unable to detect further deterioration.
Generic InstrumentGeneric PROM, Generic Health Measure, Generic HRQoL, Generic Measure
A health status questionnaire applicable across a broad range of diseases, allowing comparison across different populations at the cost of condition-specific sensitivity.
Health State Utility ValueHSUV, Health State Utility
A health state utility value, or HSU value, is a preference-based numerical weight assigned to a health state for use in economic evaluation.