Table 1.

Baseline characteristics of study population.

Characteristics	Healthy subjects (N = 38)	CAD patients (N = 21)	p-value
Age* (years)	31 ± 10	57 ± 6	< 0.001
Men	23 (61%)	11 (52%)	0.002
Family history of CAD	0	6 (29%)
Previous MI	0	4 (19%)
PCI/Stent	0	10 (48%)
CABG	0	3 (14%)
Smoking	0	8 (38%)	0.005
Dyslipidemia	0	18 (86%)	< 0.001
Diabetes mellitus	0	8 (38%)	0.005
Arterial hypertension	0	15 (71%)	< 0.001
Target coronary artery
left	22 (41%)	11 (35%)
right	32 (59%)	20 (65%)

Data are expressed as number (%) of subjects.

^*Mean ± one standard deviation. CAD=coronary artery disease; MI=myocardial infarction; PCI=percutaneous coronary intervention; CABG=coronary artery bypass grafting. The target coronary artery is defined by left, including LAD (left anterior descending artery) and LCX (left circumflex artery) and right, including RCA (right coronary artery). Dyslipidemia was defined as total cholesterol > 200 mg/dl or treatment with lipid-lowering therapy. Arterial hypertension was defined as blood pressure ≥ 140/90 mmHg or treatment with antihypertensive medication.