Table 1.

Correlation between RARRES3 expression and clinicopathologic information of CRC

	Parameters	n	RARRES3 expression		x2	P value
			Low (+, -)	High (++, +++)
Adjacent normal tissues		78	11	67	47.748	-
CRC		86	47	39
Gender	Male	64	37	27	1.009	0.315
	Female	22	10	12
Age (years)	>60	57	30	27	0.278	0.598
	≤60	29	17	12
Clinical stage	I	6	3	3	4.169	0.124
	II	43	21	22
	III	32	23	9
T classification	T1-T2	17	9	8	0.087	0.558
	T3-T4	65	37	28
N classification	N0	50	22	28	5.775	0.016
	N1-N3	34	24	10
Differentiation degree	Good	47	24	23	10.670	0.005
	Moderate	11	6	5
	Poor	18	17	1
Tumor volume (cm3)	<10	23	17	6	0.760	0.684
	10-20	27	17	10
	>20	34	24	10
Gross classification	Mucinous type	46	29	17	0.743	0.690
	Signet-ring type	6	3	3
	Glandular type	24	13	11
	Undifferentiated type	3	1	2