The Evaluation of Clinical Status of Endoscopic Retrograde Cholangiography for the Placement of Metal and Plastic Stents in Cholangiocarcinoma Therapy

Table 5

Univariate analysis of prognostic factors in patients with cholangiocarcinoma.

Prognostic factors		The poor prognosis group ()	The good prognosis group ()
Age
Gender	Male	19 (57.58)	15 (39.47)	2.319	0.128
	Female	14 (42.42)	23 (60.53)
Smoking history		8 (24.24)	10 (26.32)	0.040	0.841
Drinking history		6 (18.18)	9 (23.68)	1.592	0.207
Family tumor history		6 (18.18)	1 (2.63)	4.806	0.028
Tumor diameter	<5 cm	13 (39.39)	25 (65.79)	6.180	0.013
	≥5 cm	20 (60.61)	13 (34.21)
Degree of tumor differentiation	Well differentiated	7 (21.21)	3 (7.89)	6.697	0.035
	Moderately differentiated	8 (24.24)	20 (52.63)
	Poorly differentiated	18 (54.55)	15 (39.47)
Portal vein infiltration	Yes	19 (57.58)	12 (31.58)	4.853	0.028
	No	14 (42.42)	26 (68.42)
Lymph node metastasis	Yes	25 (75.76)	15 (39.47)	9.453	0.002
	No	8 (24.24)	23 (60.53)
Classification of hilar cholangiocarcinoma	Type I	5 (15.15)	14 (36.84)	10.702	0.013
	Type II	9 (27.27)	16 (42.11)
	Type III	12 (36.36)	6 (15.79)
	Type IV	7 (21.21)	2 (5.26)
Stent type	Metal stent	7 (21.21)	21 (55.26)	8.574	0.003
	Plastic stent	26 (78.79)	17 (44.74)