The New England Journal of Medicine
e-mail icon  FREE NEJM E-TOC    HOME   |   SUBSCRIBE   |   CURRENT ISSUE   |   PAST ISSUES   |   COLLECTIONS   |    Advanced Search
Sign in | Get NEJM's E-Mail Table of Contents — Free | Subscribe
 
Original Article
PreviousPrevious
Volume 328:1220-1225 April 29, 1993 Number 17
NextNext

Plasma Triglyceride Level and Mortality from Coronary Heart Disease
Michael H. Criqui, Gerardo Heiss, Richard Cohn, Linda D. Cowan, Chirayath M. Suchindran, Shrikant Bangdiwala, Steven Kritchevsky, David R. Jacobs, Haesook Kim O'Grady, and C.E. Davis

 Sign up for free e-toc
 

This Article
-Full Text

Commentary
-Letters

Tools and Services
-Add to Personal Archive
-Add to Citation Manager
-Notify a Friend
-E-mail When Cited

More Information
-PubMed Citation
ABSTRACT

Background Whether the plasma triglyceride level is a risk factor for coronary heart disease has been controversial, and evaluation of the triglyceride level as a risk factor is fraught with methodologic difficulties.

Methods We studied the association between plasma triglyceride levels and the 12-year incidence of death from coronary heart disease in 10 North American populations participating in the Lipid Research Clinics Follow-up Study, while adjusting for the potential confounding effects of other risk factors for cardiovascular disease, including the level of high-density lipoprotein (HDL) cholesterol. All analyses were sex-specific, and separate analyses were performed in high and low strata of HDL cholesterol, low-density lipoprotein (LDL) cholesterol, fasting plasma glucose, and age.

Results The rates of coronary death in both men and women increased with the triglyceride level. In Cox proportional-hazards models adjusted for age, in which the natural log of the triglyceride levels was used to give a normal distribution, the relative risk per natural-log unit of triglyceride (e.g., a triglyceride level of 150 mg per deciliter vs. a level of 55 mg per deciliter) was 1.54 (95 percent confidence interval, 1.19 to 1.98; P<0.001) in men and 1.88 (95 percent confidence interval, 1.19 to 2.98; P = 0.007) in women. After an adjustment for potential covariates, however, these relative risks were not statistically significant. Analyses based on lipoprotein cholesterol levels revealed a positive association between the triglyceride level and coronary mortality in the lower stratum of both HDL and LDL cholesterol, but not in the higher stratum. Conversely, the HDL cholesterol level was unrelated to coronary mortality in the lower stratum of LDL cholesterol, but was strongly inversely associated with coronary death in the higher stratum of LDL cholesterol. The relative risk of coronary death associated with triglyceride level was higher at younger ages. The associations between the triglyceride level and coronary mortality in the lower HDL cholesterol, LDL cholesterol, and age strata were small and were further reduced by an adjustment for the fasting plasma glucose level.

Conclusions Overall, the plasma triglyceride level showed no independent association with coronary mortality. However, in subgroups of subjects with lower HDL and LDL cholesterol levels and in younger subjects, defined a priori, an association between the triglyceride level and coronary mortality was observed, although this association was small and was not statistically significant after an adjustment for the plasma glucose level.


Source Information

From the Departments of Community and Family Medicine and Medicine, University of California, La Jolla (M.H.C.); the Departments of Epidemiology (G.H.) and Biostatistics (G.H., R.C., C.M.S., S.B., H.K.O., C.E.D.), University of North Carolina, Chapel Hill; the Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma, Oklahoma City (L.D.C.); the Department of Biostatistics and Epidemiology, University of Tennessee, Memphis (S.K.); and the Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis (D.R.J.).

Address reprint requests to Dr. Basil M. Rifkind at the Lipid Metabolism-Atherogenesis Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892.

Full Text of this Article


Related Letters:

Treatment of and Screening for Hyperlipidemia
Ornish D., Brown S. E., Kottke B. A., Shea S., Barth J. D., Bryan G. K., Hokanson J. E., Austin M. A., Ginsberg H. N., Tall A. R., Deckelbaum R. J., Hunninghake D. B., Criqui M. H., Heiss G., Sox H. C.
Extract | Full Text  
N Engl J Med 1993; 329:1124-1128, Oct 7, 1993. Correspondence

This article has been cited by other articles:



HOME  |  SUBSCRIBE  |  SEARCH  |  CURRENT ISSUE  |  PAST ISSUES  |  COLLECTIONS  |  PRIVACY  |  HELP  |  beta.nejm.org

Comments and questions? Please contact us.

The New England Journal of Medicine is owned, published, and copyrighted © 2008 Massachusetts Medical Society. All rights reserved.