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attributable burden: The disease burden attributed to a particular risk factor.
burden of disease (and injury): The quantified impact of a disease or injury on a population using the disability-adjusted life years (DALY) measure.
disability: In burden of disease analysis, any departure from an ideal health state.
disability-adjusted life years (DALY): A measure of healthy life lost, either through premature death or living with disability due to illness or injury. Often used synonymously with health loss.
fatal burden: The burden from dying prematurely as measured by years of life lost. Often used synonymously with years of life lost, and also referred to as ‘life lost’.
health-adjusted life expectancy (HALE): The number of healthy years a person of a particular age can expect to live.
morbidity: Ill health in an individual, and levels of ill health in a population or group.
non-fatal burden: The burden from living with ill-health as measured by years lived with disability. Often used synonymously with years lived with disability.
risk factor: Any factor that represents a greater risk of a health condition or health event.
years lived with disability (YLD): The number of years of what could have been a healthy life that were instead spent in states of less than full health. YLD represent non-fatal burden.
years of life lost (YLL): The number of years of life lost due to premature death, defined as dying before the ideal life span. YLL represent fatal burden.
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