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C4B

From SNPedia

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# SNPs0


The complement component 4B C4B gene has been associated with increased risk of death following a heart attack myocardial infarction.

In particular, the C4B*Q0 (low copy number) genotype was found to be strongly associated with 1-year mortality after myocardial infarction, with a hazard ratio of 3.50 (CI: 1.38-8.87, p = 0.008). This association was, however, restricted to ever-smoking patients.[PMID 18032375]