Table 3.

Relationship between RASSF1A methylation and clinical characteristics.

Characteristics	Methylation group (n=48)	Unmethylation group (n=60)	P
Age (year)	46.96±11.28	45.85±12.47	0.365
Gender			0.547
Male	26	29
Female	22	31
Tumor size			0.635
≥5 cm	27	31
<5 cm	21	29
Tumor stage			0.007
II	23	44
III	25	16
Tumor site			0.605
Rectum	24	33
Colon	24	27
Pathological differentiation			0.008
Well + moderate	19	39
Poor	29	21