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Blood pressure does not predict mortality in the elderly.

T Ekbom1, L Lindholm, A Odén

  • 1Health Sciences Centre, University of Lund, Dalby, Sweden.

Journal of Hypertension. Supplement : Official Journal of the International Society of Hypertension
|December 1, 1988
PubMed
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Casual blood pressure measurements are a weak predictor of mortality in elderly individuals. This study found limited correlation between blood pressure readings and mortality risk in older populations.

Area of Science:

  • Gerontology
  • Epidemiology
  • Cardiovascular Health

Background:

  • Assessing mortality risk in elderly populations is crucial for public health.
  • Blood pressure is a common vital sign, but its predictive power for long-term outcomes in older adults requires investigation.

Purpose of the Study:

  • To determine the predictive value of casual blood pressure measurements for mortality in elderly individuals.
  • To analyze the relationship between systolic and diastolic blood pressure and mortality risk in a defined elderly cohort.

Main Methods:

  • A random sample of individuals born between 1890 and 1914 was selected.
  • Medical records were analyzed, focusing on the earliest blood pressure measurement taken at age 60 or older.
  • Cox regression modeling was used to estimate mortality risk based on blood pressure, age, and sex.

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Main Results:

  • The study included 961 elderly patients, with 560 deaths recorded between 1968 and 1987.
  • Mean age at the start of observation was 70.1 years, with 8625 person-years of follow-up.
  • Analysis indicated that blood pressure was a very weak predictor of mortality, with close confidence intervals.

Conclusions:

  • Casual blood pressure measurements have limited utility in predicting mortality among the elderly.
  • Further research may be needed to identify more robust predictors of mortality in this age group.