GSTM1 and heart failure: Compared with those in the FAGR-L group, patients in the FAGR-H group had a greater average age; faster heart rate; higher PLT, Fib, Cre and UA levels; higher Gensini score and GRACE score; a greater proportion of Killip class > 1 and diseased vessels; a greater occurrence of hypertension, diabetes, hypertension and heart failure; and relatively lower RBC, Hb, Alb and ALT levels (p < 0.05) (Table 1).