Glossary

Research concerned with subjective outcomes relating to social, emotional and experiential phenomena in health and social care.

An index of survival that is adjusted to account for the patient’s quality of life during this time. QALYs have the advantage of incorporating changes in both quantity (longevity/mortality) and quality (morbidity, psychological, functional, social and other factors) of life. Used to measure benefits in cost-utility analysis.

Research that generates numerical data or data that can be converted into numbers, for example clinical trials or the national Census which counts people and households.

A flavanoid with antioxidant qualities, which helps eliminate free radicals in the body, inhibits low-density lipoprotein oxidation, protects and regenerates vitamin E and inactivates the harmful effects of chelate metal ions.