ALDH2 and coronary artery disorder: The meta-analysis found a significant association between the mutant genotypes (GA+AA) of the rs671 polymorphism in the ALDH2 gene and an increased risk of CAD and MI (RR = 1.20, 95 percent CI: 1.03–1.40, p = 0.021; MI: RR = 1.32, 95 percent CI: 1.11–1.57, p = 0.002).