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Steady state assumptions in DALYs: effect on estimates of HIV impact
Author(s) -
Adnan A. Hyder,
Richard H. Morrow
Publication year - 1999
Publication title -
journal of epidemiology and community health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.692
H-Index - 170
eISSN - 1470-2738
pISSN - 0143-005X
DOI - 10.1136/jech.53.1.43
Subject(s) - medicine , human immunodeficiency virus (hiv) , environmental health , immunology
The disability adjusted life year (DALY) and the healthy life year (HeaLY) are both composite indicators of disease burden in a population, which combine healthy life lost from mortality and morbidity. The two formulations deal with the onset and course of a disease differently. The purpose of this paper is to compare the DALY and HeaLY formulations as to differences in apparent impact when a disease is not in an epidemiological steady state and to explore the implications of the differing results.

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