Total and cause-specific mortality in the cardiovascular health study

Anne B. Newman, Michael C. Sachs, Alice M. Arnold, Linda P. Fried, Richard Kronmal, Mary Cushman, Bruce M. Psaty, Tamara B. Harris, John A Robbins, Gregory L. Burke, Lewis H. Kuller, Thomas Lumley

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

BackgroundFew cohort studies have adequate numbers of carefully reviewed deaths to allow an analysis of unique and shared risk factors for cause-specific mortality. Shared risk factors could be targeted for prevention of premature death and the study of longevity.MethodsA total of 5,888 community-dwelling persons aged 65 years or older living in four communities in the United States participated in the Cardiovascular Health Study cohort. Participants were initially recruited from 1989 to 1990; an additional 687 black participants were recruited in 1992-1993. The average length of follow-up was 16 years. Total and cause-specific mortality, including cardiovascular disease, stroke, cancer, dementia, pulmonary disease, infection, and other cause, were examined as outcomes. Variables previously associated with total mortality were examined for each cause of death using Cox proportional hazard models.ResultsMultiple risk factors were related to total mortality. When examining specific causes, many factors were related to cardiovascular death, whereas fewer were related to other causes. For most causes, risk factors were specific for that cause. For example, apolipoprotein E ε4 was strongly associated for dementia death and forced vital capacity with pulmonary death. Age, male sex, markers of inflammation, and cognitive function were related to multiple causes of death.ConclusionsIn these older adults, associations of risk factors with a given cause of death were related to specific deficits in that same organ system. Inflammation may represent a common pathway to all causes of death.

Original languageEnglish (US)
Pages (from-to)1251-1261
Number of pages11
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume64
Issue number12
DOIs
StatePublished - 2009

Keywords

  • Cause of death
  • Elderly participants
  • Mortality risk

ASJC Scopus subject areas

  • Aging
  • Geriatrics and Gerontology
  • Medicine(all)

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    Newman, A. B., Sachs, M. C., Arnold, A. M., Fried, L. P., Kronmal, R., Cushman, M., Psaty, B. M., Harris, T. B., Robbins, J. A., Burke, G. L., Kuller, L. H., & Lumley, T. (2009). Total and cause-specific mortality in the cardiovascular health study. Journals of Gerontology - Series A Biological Sciences and Medical Sciences, 64(12), 1251-1261. https://doi.org/10.1093/gerona/glp127