1. Standard Life Expectancy (SLE) (the ideal)

1
In designing a population health indicator based
on mortality data, you can count the years
lived (blue), or you can compare this to an
ideal, measuring the shortfall (red).
1. Standard Life Expectancy (SLE) (the ideal)
Standard ExpectedYears of Life Lost (SEYLL)
SEYLL
3. Gapmeasurescountyears lessthan ideal
Health-Adjustedor Disability-AdjustedLife Years
lost(HALYs or DALYs)
Mean Life Expectancy(LE)
Years Lived withDisability (YLD)
Health-Adjusted, orDisability-AdjustedLife
Expectancy (HALE or DALE)
2. Expectancymeasurescount yearssince birth
Healthy LifeExpectancy(HLE)