LPA and coronary artery disorder: In studies for the association between LPA and CAD risk and plasma Lp(a) levels, rs10455872 and rs3798220 were strongly associated with increased plasma levels of Lp(a), a reduced copy number in LPA (which determines the number of kringle IV-type 2 repeats), and a small Lp(a) lipoprotein size [7, 8].