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Related Experiment Videos

High sensitivity C-reactive protein: biological variations and reference limits.

O Chenillot1, J Henny, J Steinmetz

  • 1Laboratoire de biologie clinique, Centre de Médecine Préventive, Vandoeuvre-lès-Nancy, France.

Clinical Chemistry and Laboratory Medicine
|January 5, 2001
PubMed
Summary
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This study analyzed serum C-reactive protein (CRP) levels in over 3600 individuals, revealing significant variations influenced by age and biological factors. Understanding these CRP variations is key for accurate health assessments.

Area of Science:

  • Biochemistry
  • Clinical Chemistry
  • Human Genetics

Background:

  • Serum C-reactive protein (CRP) is a key inflammatory marker.
  • Accurate reference ranges are crucial for clinical interpretation.
  • Factors influencing CRP levels require detailed investigation.

Purpose of the Study:

  • To determine reference values for serum C-reactive protein (CRP) in a large population sample.
  • To investigate the influence of biological factors on CRP concentration.
  • To establish age- and sex-specific CRP reference ranges.

Main Methods:

  • Utilized a highly sensitive immunonephelometric assay for CRP quantification.
  • Analyzed serum samples from 3605 subjects aged 5-75 years from the Stanislas Cohort Study.

Related Experiment Videos

  • Employed statistical analysis to identify biological factors associated with CRP variability.

    • Main Results:

    • Serum CRP levels varied significantly across age groups and between sexes.
    • Biological factors explained 25% of CRP variability in men and 40% in women.
    • Identified key factors including age, body mass index, leukocyte count, and drug use influencing CRP levels.

    Conclusions:

    • Established age- and sex-specific reference ranges for serum CRP.
    • Highlighted the significant impact of biological factors on CRP concentrations.
    • Provided a basis for improved interpretation of CRP levels in clinical practice.