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  • Title: The ICAM-1 K469E polymorphism is associated with the risk of coronary artery disease: a meta-analysis.
    Author: Li D, Qu C, Dong P.
    Journal: Coron Artery Dis; 2014 Dec; 25(8):665-70. PubMed ID: 25025994.
    Abstract:
    BACKGROUND: The intercellular adhesion molecule-1 (ICAM-1) K469E polymorphism has been indicated to be correlated with coronary artery disease (CAD) susceptibility, but the results of studies are still debatable. Thus, a meta-analysis was carried out. METHODS: Databases including PubMed, Embase, Web of Science, and CNKI were searched. Data were extracted and pooled odds ratios (OR) with 95% confidence intervals (CI) were calculated. RESULTS: Eighteen studies with 3546 cases and 3852 controls were included in this meta-analysis. The association between the ICAM-1 K469E polymorphism and the risk of CAD was significant (OR=1.77; 95% CI, 1.52-2.05; P<0.01; I=27%). This result remained statistically significant when the adjusted ORs were combined (OR=1.95; 95% CI, 1.78-2.14; P<0.01; I=0%). When stratified by ethnicity, a significantly increased risk was observed in Whites (OR=1.75; 95% CI, 1.37-2.23; P<0.01; I=58%) and in Asians (OR=1.80; 95% CI, 1.45-2.24; P<0.01; I=0%). A significantly increased risk of myocardial infarction was observed (OR=2.24; 95% CI, 1.72-2.92; P<0.01; I=38%). CONCLUSION: In conclusion, this meta-analysis suggested that the ICAM-1 K469E polymorphism was a risk factor for CAD.
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