GSTM1 and hematocrit: HT, hypertension; DM, diabetes mellitus; MI, myocardial infarction; LAD, left anterior descending artery; LCX, left circumflex artery; LMCA, left main coronary artery; RCA, right coronary artery; Hb, hemoglobin; CK, creatine kinase; IU, international units; ACEIs, angiotensin-converting enzyme inhibitors; ARBs, angiotensin receptor blockers