. "Glossary." Neurological, Psychiatric, and Developmental Disorders: Meeting the Challenge in the Developing World. Washington, DC: The National Academies Press, 2001.
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Neurological, Psychiatric, and Developmental Disorders: Meeting the Challenge in the Developing World
Tertiary Prevention:
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: