Roberto Pastor-Barriuso, PhD; Jos R. Banegas, MD, PhD; Javier Damin, MD, PhD; Lawrence J. Appel, MD, MPH; Eliseo Guallar, MD, DrPH
Grant Support: By a grant from the Instituto de Salud Carlos III (EPY 1261/02) (R. Pastor-Barriuso).
Potential Financial Conflicts of Interest: None disclosed.
Requests for Single Reprints: Eliseo Guallar, MD, DrPH, Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions, 2024 East Monument Street, Room 2-639, Baltimore, MD 21205; e-mail, email@example.com.
Current Author Addresses: Drs. Pastor-Barriuso and Damin: Epidemiology and Biostatistics Section, National Center for Epidemiology, Instituto de Salud Carlos III, Sinesio Delgado 6, 28029 Madrid, Spain.
Dr. Banegas: Department of Preventive Medicine and Public Health, Universidad Autnoma de Madrid, 28029 Madrid, Spain.
Dr. Appel: Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions, 2024 East Monument Street, Room 2-630, Baltimore, MD 21205.
Dr. Guallar: Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions. 2024 East Monument Street, Room 2-639, Baltimore, MD 21205.
Author Contributions: Conception and design: R. Pastor-Barriuso, J.R. Banegas, J. Damin, E. Guallar.
Analysis and interpretation of the data: R. Pastor-Barriuso, J.R. Banegas, J. Damin, L.J. Appel, E. Guallar.
Drafting of the article: R. Pastor-Barriuso, J.R. Banegas, J. Damin, L.J. Appel, E. Guallar.
Critical revision of the article for important intellectual content: R. Pastor-Barriuso, J.R. Banegas, J. Damin, L.J. Appel, E. Guallar.
Final approval of the article: R. Pastor-Barriuso, J.R. Banegas, J. Damin, L.J. Appel, E. Guallar.
Statistical expertise: R. Pastor-Barriuso, E. Guallar.
Obtaining of funding: R. Pastor-Barriuso.
Administrative, technical, or logistic support: E. Guallar.
The relative importance of blood pressure components (systolic blood pressure, diastolic blood pressure, and pulse pressure) on cardiovascular risk is currently being debated. Many studies, however, are limited by inadequate statistical methods to separate these effects.
To evaluate the joint effect of blood pressure components on all-cause and cardiovascular mortality by using nonparametric and change point models.
Prospective cohort study.
15-year mortality follow-up of participants in the Second National Health and Nutrition Examination Survey.
7830 white and African-American men and women 30 to 74 years of age, apparently free of cardiovascular disease at baseline.
Baseline blood pressure, corrected for measurement error.
Of the 1588 patients who died, 582 died of cardiovascular disease. Systolic blood pressure was linearly related to all-cause and cardiovascular mortality in younger and elderly participants. The association of diastolic blood pressure with all-cause and cardiovascular mortality was hockey stickshaped (flat then increasing) in younger participants and J-shaped in elderly participants. Increased pulse pressure was associated with increased risk, decreased risk, or no change in risk depending on age and systolic and diastolic blood pressure.
On the basis of these and previous data, the evidence for a monotonic association of systolic blood pressure with all-cause and cardiovascular mortality is compelling, but a J-shaped association for diastolic blood pressure may develop at older age. The complexity of the association of pulse pressure with mortality discourages its use for prognostic or therapeutic decisions.
Pastor-Barriuso R, Banegas JR, Damin J, et al. Systolic Blood Pressure, Diastolic Blood Pressure, and Pulse Pressure: An Evaluation of Their Joint Effect on Mortality. Ann Intern Med. 2003;139:731–739. doi: 10.7326/0003-4819-139-9-200311040-00007
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Published: Ann Intern Med. 2003;139(9):731-739.
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