PuSH - Publication Server of Helmholtz Zentrum München

Koenig, W.* ; Sund, M. ; Fröhlich, M.* ; Löwel, H. ; Hutchinson, W.L.* ; Pepys, M.B.*

Refinement of the Association of Serum C-reactive Protein Concentration and Coronary Heart Disease Risk by Correction for Within-Subject Variation over Time : The MONICA Augsburg Studies,1984-1987.

Am. J. Epidemiol. 158, 357-364 (2003)
Publ. Version/Full Text DOI
Closed
Open Access Green as soon as Postprint is submitted to ZB.
The authors sought to assess the repeatability of measurements of C-reactive protein, an independent predictor of coronary heart disease, in a large cohort of apparently healthy men and to correct earlier estimates of the association of C-reactive protein and coronary heart disease for the measurement error in this protein. They measured C-reactive protein by a high-sensitivity assay in 936 men aged 45–64 years in the MONICA (Monitoring of Trends and Determinants in Cardiovascular Disease) Augsburg cohort in 1984–1985 and remeasured it 3 years later. All men were subjected to an 8-year follow-up of their cardiovascular status. The analytical variation of the assay was small, with the analytical variance component at 1 percent of the within-subject variance component, a repeatability coefficient of 25 percent, and a reliability coefficient of 1.00. In contrast, the within- subject variation of C-reactive protein corresponded to a repeatability coefficient of 740 percent and a reliability coefficient of 0.54, indicating considerable within-subject variation. Based on the authors’ estimates, three serial determinations of C-reactive protein should be done to achieve a reliability of 0.75, the value they found for total cholesterol. Correcting the hazard ratios in their original analysis of the association of coronary heart disease and high-sensitivity-assay C-reactive protein for the measurement error in C-reactive protein and covariables leads to a considerably larger estimate. The results suggest that the true association between C-reactive protein and cardiovascular risk is underestimated by a single C-reactive protein determination, and that several serial C- reactive protein measurements should be taken.
Impact Factor
Scopus SNIP
Altmetric
4.189
0.000
Tags
Annotations
Special Publikation
Hide on homepage

Edit extra information
Edit own tags
Private
Edit own annotation
Private
Hide on publication lists
on hompage
Mark as special
publikation
Publication type Article: Journal article
Document type Scientific Article
Keywords coronay disease; inflammation; predictive value tests; proteins
Language english
Publication Year 2003
HGF-reported in Year 0
ISSN (print) / ISBN 0002-9262
e-ISSN 1476-6256
Quellenangaben Volume: 158, Issue: 4, Pages: 357-364 Article Number: , Supplement: ,
Publisher Oxford University Press
Reviewing status Peer reviewed
Institute(s) Institute of Health Economics and Health Care Management (IGM)
Institute of Epidemiology (EPI)
POF-Topic(s) 30202 - Environmental Health

Research field(s) Genetics and Epidemiology
PSP Element(s) G-505300-002
FE 75372
G-503900-004
Erfassungsdatum 2003-12-31