Health-Adjusted Life Year: Difference between revisions
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Health-Adjusted Life Years are a measurement of the health of a population, typically used in estimates of the burden of disease. | Health-Adjusted Life Years are a measurement of the health of a population, typically used in estimates of the burden of disease. | ||
HALYs are used to measure the combined effects of mortality and morbidity in populations; they permit comparisons between ilnesses or interventions as well as between populations<ref>Gold, MR, Stevenson D, Fryback DG. HALYs and QALYs and DALYs, Oh My: similarities and differences in summary measures of population Health. Annu Rev Public Health, 2002; 23:115-34</ref> | HALYs are used to measure the combined effects of mortality and morbidity in populations; they permit comparisons between ilnesses or interventions as well as between populations<ref>Gold, MR, Stevenson D, Fryback DG. HALYs and QALYs and DALYs, Oh My: similarities and differences in summary measures of population Health. Annu Rev Public Health, 2002; 23:115-34</ref> | ||
== Calculation of HALY == | == Calculation of HALY == | ||
The two most common ways of | The two most common ways of measuring HALYs are: | ||
*[[Disability-Adjusted Life Year|Disability-Adjusted Life Years]] (DALYs) | *[[Disability-Adjusted Life Year|Disability-Adjusted Life Years]] (DALYs) | ||
*[[Quality- | *[[Quality-Adjusted Life Year|Quality-Adjusted Life Years]] (QALYs) | ||
== Function/Uses of HALYs == | == Function/Uses of HALYs == | ||
HALYs are based on the latest available epidemiological data; the accuracy & usefulness of the HALY measurement depends on the completeness & accuracy of the data used, which can be taken from a variety of sources, including: census & national surveillance data; hospital records; surveys (eg. road safety surveys, or health surveys); police records; mortuary records; death certificate information. | HALYs are based on the latest available epidemiological data; the accuracy & usefulness of the HALY measurement depends on the completeness & accuracy of the data used, which can be taken from a variety of sources, including: census & national surveillance data; hospital records; surveys (eg. road safety surveys, or health surveys); police records; mortuary records; death certificate information. | ||
Ideally the data should all be recent, locally derived and disaggregated by age and sex. | Ideally the data should all be recent, locally derived and disaggregated by age and sex. | ||
== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | == Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | ||
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Introduction & definition[edit | edit source]
Health-Adjusted Life Years are a measurement of the health of a population, typically used in estimates of the burden of disease.
HALYs are used to measure the combined effects of mortality and morbidity in populations; they permit comparisons between ilnesses or interventions as well as between populations[1]
Calculation of HALY[edit | edit source]
The two most common ways of measuring HALYs are:
- Disability-Adjusted Life Years (DALYs)
- Quality-Adjusted Life Years (QALYs)
Function/Uses of HALYs[edit | edit source]
HALYs are based on the latest available epidemiological data; the accuracy & usefulness of the HALY measurement depends on the completeness & accuracy of the data used, which can be taken from a variety of sources, including: census & national surveillance data; hospital records; surveys (eg. road safety surveys, or health surveys); police records; mortuary records; death certificate information.
Ideally the data should all be recent, locally derived and disaggregated by age and sex.
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
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- ↑ Gold, MR, Stevenson D, Fryback DG. HALYs and QALYs and DALYs, Oh My: similarities and differences in summary measures of population Health. Annu Rev Public Health, 2002; 23:115-34
