Baseline MPO was either low (<470 pmol/L), moderate (470-539 pmol/L), or high (≥540 pmol/L).<h4>Main outcomes and measures</h4>First occurrence of MACE (myocardial infarction, stroke, coronary revascularization, or all-cause death).<h4>Results</h4>Mean age was 66.5 years, and 64.7% were women. Here, MPO is linked to myocardial infarction.