[Retracted] Expression of Tspan8 in Patients with Intrahepatic Cholangiocarcinoma and Its Relationship with Clinicopathological Features and Prognosis

Table 1

Relationship between Tspan8 protein expression and clinicopathological features of ICC patients (n,  ± s).

Clinicopathological features	Total number of cases (n = 100)	Tspan8 protein
		Negative	Positive	χ^2
Age
≥60 years old	54	22 (56.41)	32 (52.46)	0.150	0.699
<60 years old	46	17 (43.59)	29 (47.54)
Gender
Male	56	21 (53.85)	35 (57.38)	0.120	0.729
Female	44	18 (46.15)	26 (42.62)
Preoperative CEA
≥5 ng/mL	67	16 (41.03)	51 (83.61)	19.509	≤0.001
<5 ng/mL	33	23 (58.97)	10 (16.39)
Preoperative CA199
≥34 U/mL	69	26 (66.67)	43 (70.49)	0.163	0.687
<34 U/mL	31	13 (33.33)	18 (29.51)
Tumor diameter
<4 cm	45	16 (41.03)	29 (47.54)	0.408	0.523
≥4 cm	55	23 (58.97)	32 (52.46)
Degree of tumor differentiation
Low differentiation	40	9 (23.08)	31 (50.82)	7.629	0.006
Moderate and high differentiation	60	30 (76.92)	30 (49.18)
Lymph node metastasis
Yes	38	11 (28.21)	27 (44.26)	2.603	0.107
No	62	28 (71.79)	34 (55.74)
TNM stage
I + II stage	41	27 (69.23)	14 (22.95)	21.064	≤0.001
III + IV stage	59	12 (30.77)	47 (77.05)
Vascular tumor thrombus
Yes	40	18 (46.15)	22 (36.07)	1.009	0.315
No	60	21 (53.85)	39 (63.93)
Smoking history
Yes	58	20 (51.28)	38 (62.30)	1.184	0.276
No	42	19 (48.72)	23 (37.70)
Drinking history
Yes	46	16 (41.03)	30 (49.18)	0.637	0.425
No	54	23 (58.97)	31 (50.82)