St group (n=57) n-St group (n=46) p value  
Age (years), median ± IQR 64.98±7.74 66.65±8.65 0.26
Gender, male; n (%) 48 (85.7) 34 (74.5) 0.076
Cholesterol levels (mg/dl),  median ± IQR 134.46±48.01 139.89±36 0.18
Diabetes, n (%) 13 (23.2) 15 (32) 0.22
Previous MI, n (%) 29 (51.8) 30 (63.8) 0.15
Smoke habit, n (%) 33 (58.9) 23 (48.9) 0.21
Familiy history of CAD, n (%) 20 (35.7) 7 (14.9) 0.014
Hypertension, n (%) 46 (82.1) 39 (83) 0.56
Three-vessels disease, n (%) 47 (84) 39 (83) 0.55
Cerebrovascular disease, n (%) 4 (7.1) 2 (4.3) 0.43
Pulmunary disease, n (%) 9 (16.1) 7 (14.9) 0.55
Renal failure, n (%) 1 (1.8) 1 (2.1) 0.7
EuroSCORE,  median ± IQR 3.35 (1.33-39) 3.14 (1.21-37) 0.571
β-blockers, n (%) 50 (87) 38 (83) 0.62
ACE-Is, n (%) 51 (90) 41 (89) 0.85
ARBs, n (%) 13 (23) 14 (32) 0.22
Aspirin, n (%) 54 (95) 44 (96) 0.81
IQR= interquartile range; n= number.
ACE-I = angiotensin converting enzyme inhibitor;
ARB= angiotensin receptor blocker.
Table 1: Clinical and Biochemical Baseline Characteristics of the study population.