Table 1. Baseline data for the study and control groups.

Variable	CAD group (n=243)	Control group (n=215)	P value
Age (years, $\overline{\text{x}}\pm \text{s}$)	63.57 ± 9.90	62.14 ± 9.33	0.114
Male [n (%)]	135 (55.56%)	103 (47.91%)	0.102
BMI (kg/m2)	24.45 ± 2.66	24.73 ± 2.36	0.237
Smoking [n (%)]	89 (36.63%)	52 (24.19%)	0.004
Drinking [n (%)]	100 (41.15%)	54 (25.12%)	0.000
Hypertension [n (%)]	136 (55.97%)	98 (45.58%)	0.027
Number of vessels diseased [n (%)]
Single vessel	77 (31.69%)
Double vessels	82 (33.74%)
Triple vessels	84 (34.57%)
SBP (mmHg)	128.75 ± 17.62	126.61 ± 25.40	0.302
DBP (mmHg)	76.58 ± 11.65	75.21 ± 12.16	0.219
HDL-C (mmol/l)	1.04 ± 0.28	1.27 ± 0.32	0.000
LDL-C (mmol/l)	2.88 ± 0.43	2.73 ± 0.67	0.005
TG (mmol/l)	1.93 ± 0.79	1.72 ± 0.81	0.005