PON1 and coronary artery disorder: The PON1-192Q and the PON1-55M isotypes were correlated with a bigger ischemic heart disease mortality risk, with an OR of 1.71 (1.0–2.8 95% CI, p = 0.03), and an OR of 1.56 (1.1–2.3 95% CI, p = 0.03), respectively.