The one-year follow-up mortality rate was not significantly associated with PON1 55 carriers neither with any specific ACS diagnoses, such as STEMI, NSTEMI, and UA, nor with history of CHD, smoking habits, hypercholesterolemia, arterial hypertension, CK-MB levels, or troponin I levels (data not shown). This evidence concerns the gene PON1 and familial hypercholesterolemia.