GSTM1 and myocardial infarction: In patients with myocardial infarction who took ticagrelor, prasugrel, and clopidogrel, the predictors of NACE were an LVEF of < 40%, Hb level of < 12 mg/dL, multi-vessel disease, and creatinine levels ≥ 1.3 mg/dL (Table 5).