High sensitivity C-reactive protein distribution in the elderly: the Bambuí Cohort Study, Brazil

Braz J Med Biol Res. 2012 Dec;45(12):1284-6. doi: 10.1590/s0100-879x2012007500154. Epub 2012 Sep 25.

Abstract

The measurement of the serum concentration of the acute-phase reactant C-reactive protein (CRP) provides a useful marker in clinical practice. However, the distribution of CRP is not available for all age and population groups. This study assessed the distribution of high sensitivity-CRP (hs-CRP) by gender and age in 1470 elderly individuals from a Brazilian community that participates in the Bambuí Cohort Study. Blood samples were collected after 12 h of fasting and serum samples were stored at -70°C. Measurements were made with a commercial hs-CRP immunonephelometric instrument. More than 50% of the results were above 3.0 mg/L for both genders. Mean hs-CRP was higher in women (3.62 ± 2.58 mg/L) than in men (3.03 ± 2.50 mg/L). This difference was observed for all ages, except for the over-80 age group. This is the first population-based study to describe hs-CRP values in Latin American elderly subjects. Our results indicate that significant gender differences exist in the distribution of hs-CRP, and suggest that gender-specific cut-off points for hs-CRP would be necessary for the prediction of cardiovascular risks.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Aged, 80 and over
  • Biomarkers / blood
  • Brazil
  • C-Reactive Protein / analysis*
  • Cardiovascular Diseases / blood*
  • Cohort Studies
  • Female
  • Humans
  • Male
  • Middle Aged
  • Sex Factors

Substances

  • Biomarkers
  • C-Reactive Protein