Quality-Adjusted Life Years

**Definition:** A measurement index derived from a modification of standard life-table procedures and designed to take account of the quality as well as the duration of survival. This index can be used in assessing the outcome of health care procedures or services. (BIOETHICS Thesaurus, 1994)

**Tree numbers:** - E05.318.308.985.450.875 - E05.318.740.100.750 - N01.224.935.464.750 - N06.850.505.400.975.450.750 - N06.850.520.308.985.450.875

**Synonyms:** - QALYs - QUALYs - Quality Adjusted Life Year - Quality-Adjusted Life Year - Quality Adjusted Life Years