Journal
AMERICAN JOURNAL OF CARDIOLOGY
Volume 112, Issue 8, Pages 1063-1068Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjcard.2013.05.049
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Funding
- Ministry of Education, Science, and Culture of Japan, Tokyo, Japan [23591059]
- Japan Arteriosclerosis Prevention Fund (JAPF), Tokyo, Japan
- Takeda Science Foundation, Osaka, Japan
- Grants-in-Aid for Scientific Research [23500791, 23590810, 23591059] Funding Source: KAKEN
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Several epidemiologic studies have demonstrated that plasma low-density lipoprotein cholesterol (LDL-C) profile is a key risk indicator for coronary heart disease (CHD). However, almost half of all patients with CHD have normal LDL-C levels. A total of 7,931 male subjects aged >= 40 years from the general population with no cardiovascular history and no use of lipid-lowering agents were followed for incidence of acute myocardial infarction (AMI) and sudden death. Of the 4,827 participants with LDL-C levels <120 mg/dl, 55 subjects had a first AMI/sudden death during an average of 5.5 years of follow-up. After adjustment for confounding factors, multiadjusted hazard ratios (HRs) were increased by 1 SD for non-high-density lipoprotein cholesterol (non-HDL-C; HR = 1.36, 95% confidence interval [CI], 1.02 to 1.81), total cholesterol (TC)/HDL-C ratio (HR = 1.40, 95% CI: 1.11 to 1.78) and LDL-C/HDL-C ratio (HR = 1.32, 95% CI: 1.02 to 1.73) but mit for LDL-C (HR = 1.09, 95% CI: 0.82 to 1.44) and HDL-C (HR = 0.84, 95% CI: 0.68 to 1.04). When stratified as categorical variables on the basis of points with highest accuracy on receiver operating characteristic analysis, non-HDL-C levels >126 mg/dl (HR = 1.25, 95% CI: 1.03 to 1.51), TC/HDL-C ratio above 3.5 (HR = 1.22, 95% CI: 1.01 to 1.48) and LDL-C/HDL-C ratio >1.9 (HR = 1.25, 95% CI: 1.04 to 1.51) had increased multiadjusted HRs for AMI/sudden death. In conclusion, in men with LDL-C levels <120 mg/dl, non HDL-C, TC/HDL-C, and LDL-C/HDL-C ratios have predictive value for residual risk of AMI/sudden death. (C) 2013 Elsevier Inc. All rights reserved.
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