Endoscopic stenting for hilar cholangiocarcinoma: efficacy of unilateral and bilateral placement of plastic and metal stents in a retrospective review of 480 patients

Table 4 Complications

	Plastic (n=204)		Metal (n=246)		Pvalue	Total
	n	%	n	%		n	%
Early Complications	17	8.3	5	2	0.002^a	22	4.9
Stent failure	12	5.9	0	0	<0.001^a	12	2.7
- occlusion	8	3.9	0	0	0.017^a	8	1.8
- migration	4		0	0	0.027^a	4	0.9
Pancreatitis	4	2.0	3	1.2	0.534	7	1.6
Bleeding	1	0.5	2	0.8	0.670	3	0.7
Late Complications	115	56.4	60	24.4	<0,001^a	175	38.9
Stent failure	115	56.4	60	24.4	<0,001^a	175	38.9
- occlusion	106	52.0	60	24.4	<0,001^a	166	36.9
with cholangitis	68/106	33.3	14/60	5.7	<0,001^a	83/166	18.2
- migration	9	4.4	0	0	0,001^a	9	2.0

ISSN: 1471-230X