Serum biomarkers of platelet reactivity at baseline and risk of the composite endpoint of cardiovascular death, myocardial infarction, or ischemic stroke through long-term follow-up. Kaplan–Meier event rates are reported through 30 months (i.e., 18 months post-randomization). KM Kaplan–Meier, MRP myeloid-related protein, sCD40L soluble CD40 ligand, T tertile