Table 1. Baseline of colorectal cancer patients and control subjects.

Characteristics	Control	CRCa	Pb
Number	570	570
Age: years (mean±SDc)	58.5±14	59.1±11.6	0.46
Gender
male (n%)	320(56%)	325(57%)
famale (n%)	250(44%)	245(43%)	0.765
Hypertension: n%		137(24%)
Diabetes Mellitus: n%		77(13.5%)
BMId≥25kg/m2: n%		127(22.3%)
Tumor site: n%
Colon		250(43.9%)
Rectum		316(55.4%)
Tumor size: n%
<5cm		376(66%)
≥5cm		121(21.2)
TNMe stage: n%
I		73(12.8%)
II		181(31.8%)
III		156(27.6%)
IV		137(24%)