Table II.

Association between PDCD4 gene methylation level and colorectal cancer clinical data.

	Colorectal cancer tissues
Clinical data	n	Cases of PAQR3 methylation n	PAQR3 methylation rate (%)	P-value
Gender
Male	32	11	34.4	0.845
Female	22	7	31.8
Age (years)
<60	29	6	20.7	0.034a
≥60	25	12	48.0
Location
Colon	35	10	28.6	0.314
Rectum	19	8	42.1
Differentiated degree
Level I–II	30	15	50.0	0.004b
Level III	24	3	12.5
Lymphatic metastasis
No	28	4	14.3	0.036a
Yes	26	14	53.8
Depth of infiltration
Muscularis mucosae	31	14	45.2	0.032a
Around serosa	23	4	17.4

^aRepresents differences

^brepresents significant differences.