LPA and myocardial infarction: In other words, after adding Lp(a) to the conventional model at the levels of ≥ 80th (47 mg/dl) and ≥ 95th (115 mg/dl) percentiles, 23% and 39% of patients with myocardial infarction (MI) and 12% and 25% of patients with CHD were correctly reclassified.