Table 1.

Clinicopathological features of CEA in different tissues n (%); Mean number of $<![CDATA[\stackrel{x}{\pm }s]]>$

	N	T‐CEA+ 151	T‐CEA++ 202	T‐CEA+++ 164	P value
Gender
Male	261	77 (51)	90 (44.6)	94 (57.3)	0.052
Female	256	74 (49)	112 (55.4)	70 (42.7)
Age	517	61.8 ± 13.8	61.6 ± 15.7	62.5 ± 14.5	0.836
ASA classification
I	371	116 (76.8)	144 (71.3)	111 (67.7)	0.456
II	133	31 (20.5)	53 (26.2)	49 (29.9)
III	13	4 (2.6)	5 (2.5)	4 (2.4)
Location
Ileocecum	32	9 (6)	6 (3)	17 (10.4)	0.127
Right colon	41	10 (6.6)	21 (10.4)	10 (61)
Transverse colon	86	27 (17.9)	34 (16.8)	25 (15.2)
Left colon	112	36 (13.8)	38 (18.8)	38 (23.2)
Sigmoid colon	52	13 (8.6)	19 (9.4)	20 (12.2)
Rectum	194	56 (37.1)	84 (41.6)	54 (32.9)
Operation method
RHC	93	24 (15.9)	34 (16.8)	35 (21.3)	0.138
LHC	223	69 (45.2)	82 (40.6)	72 (43.9)
HO	9	2 (1.3)	4 (2)	3 (1.8)
AR	143	45 (29.8)	66 (32.7)	32 (19.5)
APR	49	11 (7.3)	16 (7.9)	22 (13.4)
Invasive depth
T1	48	15 (9.9)	22 (10.9)	11 (6.7)	0.42
T2	86	23 (15.2)	37 (18.3)	26 (15.9)
T3	254	68 (45)	101 (50)	85 (51.8)
T4	129	45 (29.8)	42 (20.8)	42 (25.6)
Differentiation
Well	97	26 (17.2)	45 (22.3)	26 (15.9)	<0.001*
Moderate	306	115 (76.2)	123 (60.9)	68 (41.5)
Poorly or undifferentiation	114	10 (6.6)	34 (16.8)	70 (42.7)
Tumor Size (cm)	517	3.85 ± 0.98	3.82 ± 0.86	3.93 ± 0.81	0.487
TNM classification
I	67	27 (17.9)	27 (13.4)	13 (7.9)	0.101
II	138	35 (23.2)	53 (26.2)	50 (30.5)
III	312	89 (58.9)	122 (60.4)	101 (61.6)
NO. of lymph harvest	517	14.3 ± 1.9	14.1 ± 1.7	14.2 ± 1.9	0.661
Positive NO. of lymph harvest	517	1.37 ± 1.4	1.52 ± 1.6	2.01 ± 2.0	0.002*
Chemotherapy
Yes	449	124 (82.1)	182 (90.1)	147 (89.6)	0.739
No	68	12 (17.9)	20 (9.9)	17 (10.4)

^* P < 0.05, statistical difference.