Preference-Based MeasurePreference-Weighted Measure, Preference-Elicited Instrument
A health status instrument whose scoring derives from a formal preference elicitation exercise, so its scores can be used directly as utility values for QALYs.
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
PROMPatient-Reported Outcome Measure, PRO Measure
An abbreviation for patient-reported outcome measure, any standardised instrument capturing a patient's own report of health status without clinical interpretation.
Quality of LifeQoL, Life Quality
A broad concept covering a person's overall wellbeing, including physical, psychological, social, and material aspects, of which health is one part.
Quality-Adjusted Life Year (QALY)QALY, Quality-Adjusted Life-Year
A quality-adjusted life year combines time lived with preference-based health-state values so that one year at utility 1 represents one QALY, while periods in poorer health contribute proportionately less—or negatively where the applicable value set permits states valued below dead.
ResponsivenessChange Detection, Ability to Detect Change, Sensitivity to Change
The ability of an outcome measurement instrument to detect change over time in the construct it is intended to measure, in a specified population and context of use.
SF-36Short Form 36, RAND-36
A widely used generic health status questionnaire measuring functioning and wellbeing across eight domains, producing a profile rather than a single utility score.
SF-6DShort Form Six Dimension, SF6D Index
A preference-based utility measure derived from a subset of SF-36 or SF-12 items, combined using a scoring algorithm into a single utility index.
Standard GambleSG, Reference Gamble
The standard gamble is a choice-based health-state valuation method that finds the probability at which a respondent is indifferent between living in a certain health state and accepting a lottery between specified better and worse outcomes.