Table 2.

Correlation analysis between CXCL1 expression and clinical characteristics in 212 patients with COAD

Variable			Negative	positive	χ2	P-value
Gender					3.720	0.054
	Male		20	117
	Female		19	56
Age (years)					0.087	0.768
	≤65		26	111
	>65		13	62
CEAa (ng/ml)					6.671	0.010
	1-5		28	85
	>5		10	83
TNM stage					5.058	0.168
	I		9	21
	II		8	50
	III		14	78
	IV		8	24
Location					0.962	0.327
	Right		16	86
	Left		23	87
Tumor typeb					0.214	0.898
	Invasive		2	9
	ulcerative		28	125
	mass		9	33
Tumor differentiation					1.401	0.496
	Well		3	7
	Moderately		27	133
	poor		9	33
Tumor trombusc					0.415	0.519
	No		33	152
	Yes		6	20
Tumor sized (cm)					0.754	0.385
	<5		19	71
	≥5		19	97
Tumor number					<0.001	1.000
	Single		38	167
	Two		1	6
Lymph nodee					0.086	0.769
	Negative		23	97
	Positive		16	75
Tumor transfer					0.890	0.346
	No		31	148
	Yes		8	25
Nerve infiltrationf						0.561
	No		38	169
	Yes		1	3

Notes: a, 6 patients without CEA information; b, 6 patients without general classification information; c, 1 patient without tumor thrombosis information; d, 6 patients without tumor size information; e, 1 patient without lymph node information; f, 1 patient without nerve infiltration information; NA: Not available.