Compared with Group A , Group C had a higher risk of non-fatal myocardial infarction or unstable angina ( HR : 2.36 , 1.54-3 .61 ; P < 0.001 ) , this composite plus coronary revascularization ( HR : 2.54 , 1.76-3 .68 ; P < 0.001 ) , as well as HF hospitalization ( HR : 1.35 , 1.13-1 .63 ; P = 0.001 ) , over a median follow-up period of 33 months .