Table 2.

Relationship between the expression of CEACAM1 and TGF-β in cancer tissues and clinicopathologic features (n (%)).

Clinicopathologic parameters		Cases	Relative expression of CEACAM1			Relative expression of TGF-β
			Positive	χ 2	P value	Positive	χ 2	P value
Gender	Male	64	40(62.5)	1.105	0.552	46(71.8)	1.542	0.493
	Female	36	23(63.9)			25(69.4)
Age (years)	≥60	45	30(66.7)	1.455	0.255	33(73.3)	1.176	0.301
	<60	55	31(56.4)			37(67.2)
Tumor diameter (cm)	<3	41	24(58.5)	1.071	0.769	27(65.8)	2.947	0.804
	≥3	59	38(64.4)			44(74.6)
Tumor types	Adenocarcinoma	55	34(61.8)	1.258	0.212	39(70.9)	7.258	0.189
	Squamous cell carcinomas	47	40(85.1)			42(89.4)
Lymph node metastasis	Yes	45	34(75.6)	6.463	≤0.001	37(82.2)	6.281	≤0.001
	No	35	8(24)			13(37.1)
Clinical staging	I, II	43	20(47)	5.179	0.022	25(58.1)	7.817	≤0.001
	III, IV	57	47(82)			51(89.5)
The degree of differentiation	Low/medium	66	57(86.4)	10.847	≤0.001	60(90.9)	8.650	≤0.001
	High	34	17(50)			21(61.8)