Table 1. Baseline characters of the investigated participants.

Variables	Case	Control	P-value
Number	905	905
Male/Female	392/513	392/513
Age (y)	56.91±7.37	56.60±7.51	P = 0.38
BMI(Kg/m2)	24.65±3.24	23.21±2.86	P<0.01
HDL (mM)	1.41±0.35	1.41±0.32	P = 0.72
TC (mM)	5.34±1.00	5.17±0.93	P<0.01
TG (mM)	2.02±1.68	1.63±1.12	P<0.01
Smoking habit	173	147	P = 0.11
Alcohol abuse	152	148	P = 0.80

BMI, body mass index; HDL, high-density lipoprotein; TC, total cholesterol; TG, triglyceride.