But in the years that followed, Ye et al. and Bentley et al. showed a meta-analysis whereby a platelet membrane glycoprotein polymorphism of PlA1/PlA2 (including GP Ibα Kozak-5T/C and GP Ia 807C/T) was associated with coronary heart disease, which was not statistically significant. This evidence concerns the gene GP1BA and coronary artery disorder.