The evolution of the disability-adjusted life year (DALY) |
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| Institution: | 1. Institute for Global Health Technologies, Rice University, Houston, TX, USA;2. Department of Global and Community Health, George Mason University, Fairfax, VA, USA;3. Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA;1. Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, USA;2. Ghana Health Service, Dodowa Health Research Center, Dodowa, Ghana;3. Ghana College of Physicians and Surgeons, Public Health Department, Accra, Ghana;4. Health Nutrition and Population Global Practice, World Bank Group, Washington DC, USA;5. Council on Foreign Relations Global Health Program, Washington DC, USA;6. Georgetown University Georgetown Law, Washington DC, USA;7. Harvard T H Chan School of Public Health Global Health and Population, Boston, MA, USA;8. Department of Health Sciences, Wilfrid Laurier University, Waterloo, ON, Canada;9. Kaiser Family Foundation, Washington DC, USA;10. Central and West Asia Department, Asian Development Bank, Metro Manila, Philippines;11. Norwegian Institute of Public Health, Division for Health Services, Oslo, Norway;12. Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway;13. Centre for Global Health, University of Oslo, Oslo, Norway;1. Modellium, Inc., Québec, Canada;2. Ozyegin University, Istanbul, Turkey;1. Department of Physical Medicine and Rehabilitation, Michigan Medicine, University of Michigan, Ann Arbor, MI;2. Department of Health, Nutrition, and Exercise Sciences, College of Human Development and Education, North Dakota State University, Fargo, ND;3. Department of Physical Medicine and Rehabilitation, Spain Rehabilitation Center, University of Alabama at Birmingham, Birmingham, AL;4. Center for Rehabilitation Outcomes Research, Shirley Ryan AbilityLab, Chicago, IL;5. Department of Physical Medicine and Rehabilitation, Feinberg School of Medicine, Northwestern University, Chicago, IL;1. Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia;2. Cancer Surveillance, International Agency for Research on Cancer, Lyon, France;;3. Department of Public Health, Cancer Surveillance, Erasmus University Medical Centre, Rotterdam, The Netherlands;1. Department of Biostatistics, Mailman School of Public Health and School of Nursing, Columbia University, New York, NY, USA;2. National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA;3. Departments of Psychology and Psychiatry, University of Minnesota, Twin Cities, MN, USA;4. National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA |
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| Abstract: | The disability-adjusted life year (DALY) is a summary health measure that combines mortality and morbidity into a single measure as a way to estimate global disease burden and the effectiveness of health interventions. We review the methodological progression of the DALY, focusing on how the use of life expectancy estimates, disability weights, age weighting, and discounting has evolved since the first DALY reports were published in 1993. These changes have generally improved the metric but have made it difficult for researchers to interpret, compare, and conduct DALY studies. |
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| Keywords: | Health metrics Burden of disease Cost-effectiveness analysis DALY |
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