Prevention of disability, poor quality of life, and death in persons with advanced stages of a disease.
Years Lived with Disability (YLD):
The number of years lived with a disability or non-fatal health outcomes.
Years of Life Lost (YLL):
The number of life years lost prior to a given age of expected survival, usually 65 years.
Definitions for this glossary were compiled from the following sources:
Dorland's Illustrated Medical Dictionary, 28th ed. Philadelphia: W.B. Saunders Co., 1994.
Medicine.Net. Medical terms and glossary. Available at http://www.medicinenet.com, 2001.
Medline plus (date of last update March 18, 2000). Available at http://www.nlm.nih.gov/.