EXT1 and coronary artery disorder: The three genes that are most frequently implicated in FBIs are APP, C4BPA, and BORCS5. We find that PTPRQ, PUS7, ITPRID1, PLEKHB2, IL1RAPL1, and EXT1 that carry FBI or complex BFB polymorphisms are significantly (p value < 1e-5) related to CHD.