Standard Expected Years of Life Lost as a Measure of Disease Burden: An Investigation of Its Presentation, Meaning and Interpretation

  • R. J. Marshall
Reference work entry


 Standard expected years of life lost (SEYLL) is a measure of the years that might have been lived from the time of death. Although the global burden of disease project attempted to standardize this measure with respect to standard model life tables, authors use alternative standards. Manipulations of SEYLL –  discounting,  age-weighting, age-standardizing – are also variously applied, and SEYLL may be presented as a total, or per living person, or per death. Further, whenever a death occurs there is potential living time lost, and SEYLL is never zero, or even close to zero, so that reference values for “acceptable” SEYLL are needed in order to assess whether an observed SEYLL really is an adverse contributor to the burden of disease.

In this chapter, the way that SEYLL is presented in the literature is discussed and the effects of different manipulations of SEYLL are investigated, in particular, their effect on rank order of causes of death. Reference values, or norms, for SEYLL measures are discussed and these provide a new way to present, and rank by cause of death, total SEYLL by adjusting for normative values.


Ischemic Heart Disease Rank Order Road Traffic Accident Continuous Time Model Model Life Table 
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.

List of Abbreviations:


chronic obstructive pulmonary disease


disability adjusted life year


global burden of disease


ischemic heart disease


 model life tables west


 norm-adjusted total standard expected years of life lost


 standard expected years of life lost per death


 norm for standard expected years of life lost per death


 standard expected years of life lost per person per year


 total standard expected years of life lost


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© Springer Science+Business Media LLC 2010

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  • R. J. Marshall

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