QUALY (Quality – adjusted life years)
• A measure of disease burden including both:
– Quality and
– Quantity of life lived
• Used mainly for assessing the value for money of a medical intervention i.e. cost – effective analysis for comparing different interventions
• Based on the number of QUALYs gained by the intervention
• Each year in perfect health = 1.0
• Death = 0.0
• 1 QUALY = one year of life X one utility value = one year of life lived in perfect health
• Half a year lived in perfect health is equivalent to 0.5 QUALY = 1 year X 0.5 utility value