High serum total cholesterol levels is a risk factor of ischemic stroke for general Japanese population: the JPHC study
- PMID: 22341595
- DOI: 10.1016/j.atherosclerosis.2012.01.013
High serum total cholesterol levels is a risk factor of ischemic stroke for general Japanese population: the JPHC study
Abstract
Background: High serum total cholesterol levels represent a risk factor of ischemic stroke in Western countries. However, this association has not been thoroughly investigated in Asian populations where the incidence of stroke is high.
Methods: Participants were 11,727 men and 21,742 women aged 40-69 years, all free of cardiovascular disease and cancer at baseline. During the median 12-year follow-up, we documented 612 ischemic stroke (293 lacunar infarction, 107 large-artery occlusive infarctions, and 168 embolic infarctions).
Results: Excess risk of ischemic stroke was observed in men with serum total cholesterol levels of ≥ 6.21 mmol/L than those with the lowest category (<4.65 mmol/L), but not in women. The multivariable hazard ratios (HRs) and 95% confidence interval (95% CI) were 1.63 (1.14-2.35) for men and 1.03 (0.69-1.55) for women. The corresponding HRs of large-artery occlusive infarction were 2.86 (1.31-6.27) for men and 0.75 (0.28-2.01) for women. Serum total cholesterol levels were not associated with risk of lacunar or embolic infarction for either sex.
Conclusions: High serum total cholesterol is a risk factor of ischemic stroke, specifically large-artery occlusive infarction for Japanese men.
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
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