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Semi-Targeted Ultra-High-Performance Chromatography Coupled to Mass Spectrometry Analysis of Phenolic Metabolites in Plasma of Elderly Adults
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Is serum uric acid level associated with all-cause mortality in high-functioning older persons: MacArthur studies of

P Hu1, T E Seeman, T B Harris

  • 1Multicampus Program in Geriatric Medicine and Gerontology, UCLA School of Medicine, 90095, USA.

Journal of the American Geriatrics Society
|February 15, 2002
PubMed

Insights

High serum uric acid levels do not independently predict mortality in healthy older adults. Inflammation and other factors are important confounders in this association.

Area of Science:

  • Gerontology
  • Epidemiology
  • Biochemistry

Background:

  • Controversy exists regarding serum uric acid's role as an independent risk factor for mortality.
  • The predictive value of uric acid levels for mortality in older populations is not well-established.

Purpose of the Study:

  • To investigate the association between serum uric acid levels and all-cause mortality in high-functioning, community-dwelling older individuals.
  • To determine if serum uric acid is an independent predictor of mortality in this demographic.

Main Methods:

  • Prospective cohort study design involving 870 participants from the MacArthur Studies of Successful Aging.
  • Baseline measurements included serum uric acid, C-reactive protein (CRP), and interleukin-6 (IL-6).
  • Logistic regression analyses were employed to assess the relationship between uric acid levels and 7-year all-cause mortality, adjusting for confounders.

Main Results:

  • In men, elevated serum uric acid levels showed no significant association with increased 7-year total mortality.
  • In women, higher serum uric acid levels were associated with a trend towards decreased mortality.
  • C-reactive protein (CRP) and interleukin-6 (IL-6) were identified as significant confounders.

Conclusions:

  • Serum uric acid level is not an independent predictor of increased total mortality in high-functioning older adults.
  • Inflammation and other underlying risk factors must be considered when assessing the relationship between serum uric acid and mortality.
Abstract

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