Group A, n=12 Group B, n=18 P
Age (mean ± SD), yr 72.6 ± 8.3 73.1 ± 7.0 0.89
Men, n (%) 9 (75.0) 14 (77.8) 0.33
BMI (mean ± SD), Kg/m2 26.8 ± 4.6 27.2 ± 5.4 0.48
Risk factors, n (%)      
Diabetes mellitus, n (%) 6 (50.0) 10 (55.6)  0.76
Hypertension, n (%) 7 (58.3) 12 (66.7)  0.27
Dyslipidemia, n (%) 7 (58.3) 11 (61.1)  0.29
Smoking, n (%) 6 (50.0) 12 (66.7)  0.20
Family history, n (%) 5 (41.6) 7 (38.9)  0.29
LVEF (mean ± SD) 52.6 ± 8.0 50.8 ± 4.6 0.52
Additive EuroSCORE, (mean ± SD) 4.6 ± 1.2 5.2 ± 1.3 0.18
SYNTAX score, (mean ± SD) 34.6 ± 9.5 36.6 ± 7.4 0.54
SD: standard deviation; BMI: body mass index; LVEF: left ventricular ejection fraction
Table 1: Baseline clinical characteristics.