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Definition

The DALY was introduced by the WHO Global Burden of Disease Study (GBD) to compare death and disability from various disorders across countries. It is a summary measure of population health that combines years of life lost from premature death (YLL) and years of ‘healthy’ life lost by being in a state of poor health or disability (YLD). One DALY can therefore be thought of as one lost year of ‘healthy’ life and the goal of a health intervention is to minimise DALYs. DALYs for a disease are calculated as the sum of YLL in the population and YLD for incident cases of the health condition. The incidence perspective for YLD is chosen to match the perspective of YLL, which measures the incident stream of life years lost due to deaths.

Keywords

Public Health Health Condition Social Policy Poor Health Health Intervention 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media LLC 2010

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