APOB and myocardial infarction: Prospective risk studies, such as AMORIS [9–11], INTERHEART [12], EPIC-Norfolk study [13, 14], and ULSAM [15], indicate that apolipoprotein B/apolipoprotein A-I ratio (ApoB/ApoA-I ratio) is a strong predictor of risk of myocardial infarction (MI).