QALYS and DALYS as synthetic indicators of health

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Resumen

This article is a revision of the genesis and use of the health synthetic indicators QALYs and DALYs. The chronology of their appearance is shown and similarities and differences between them stated. DALYs (Disability-Adjusted Life-Years) correspond to years of life that are adjusted by a certain level of disability experienced during a particular period of time. DALYs, by studying disease burden, summarize the impact of mortality and disability related to specific disease in different communities. On the other hand, QALYs (Quality-Adjusted Life-Years) summarize health results in an indicator that combines the number of years lived with the quality of life experienced over those years. QALYs and DALYs play a crucial role as results measures in economic evaluation studies (cost-effectiveness and cost-utility analysis) measuring the impact of actions or specific interventions in the reversion of disease burden (DALYs) and/or the improvement of the quality of life and life expectancy of patients (QALYs). Their generic character allows the comparison of the impact of health interventions for different diseases.
Idioma originalInglés estadounidense
Páginas (desde-hasta)83-87
Número de páginas5
PublicaciónRevista Medica de Chile
Volumen138
N.ºSUPPL. 2
EstadoPublicada - 1 ene 2010

Palabras clave

  • DALYs
  • Disease burden
  • Economic evaluation
  • QALYs

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