Treatment of malignant biliary obstruction by combined percutaneous transhepatic biliary drainage with local tumor treatment

Table 1 Factors of PTBD

Group	n	Treatment	Chi-square	P-value
	184	49
Hepatic carcinoma	35	11
Cholangiocarcinoma	72	17
Pancreatic carcinoma	30	14
Metastases	47	7
Hilar	107	20	4.69	0.03
CBD	77	29
M	108	33	1.212	0.271
F	76	16
Younger than 70	132	30	2.019	0.155
Over 70	52	19
Stent	100	36	5.822	0.016
Catheter	84	13
No	122	43	8.615	0.003
Have	62	6