Table I.

Association between ERRα expression and clinicopathological parameters in patients with CRC.

		ERRα expression (n=128)
Clinical features	All cases	Low (n=78)	High (n=50)	χ2 test	P-value
Sex				0.469	0.494
Male	72	42	30
Female	56	36	20
Age, years				1.297	0.255
<60	77	50	27
≥60	51	28	23
Tumor location				0.340	0.560
Colon	65	38	27
Rectum	63	40	23
Tumor size, cm				2.053	0.152
<5	74	49	25
≥5	54	29	25
Tumor differentiation				6.386	0.012
Well, moderate	69	49	20
Poor	59	29	30
Tumor invasion				5.330	0.021
T1+T2	70	49	21
T3+T4	58	29	29
Lymph node status				8.412	0.004
Absent	74	53	21
Present	54	25	29
Dukes stage				7.691	0.006
A+B	78	55	23
C+D	50	23	27

ERRα, estrogen-related receptor α; CRC, colorectal cancer.