LPA and coronary artery disorder: For example, in a prospective cohort study involving 2,125 adults without coronary heart disease, Cantin et al. found that individuals with FIB levels higher than 4.05 g/L and Lp(a) levels higher than 300 mg/L had a higher risk of coronary heart disease compared to individuals with FIB levels lower than 4.05 g/L and Lp(a) levels lower than 300 mg/L.