Table 2.

Stent Patency, Overall Survival, and Endoscopic Revision Rates in the PC-SEMS and Uncovered SEMS Groups

	PC-SEMS (n=71)	Uncovered SEMS (n=63)	p-value
Stent patency, day*	118 (3–802)	105 (2–485)	0.718
Survival, day†	166 (5–1,035)	168 (10–852)	0.189
Endoscopic revision by stent	20 (28.1)	18 (28.5)	0.959
Plastic stent	3	6	0.224
Metal stent (PC-SEMS/uncovered SEMS),	17 (13/4)	12 (7/5)	0.494
Endoscopic cleaning only‡	6	5	0.914

Data are presented as median (range) or number (%).

PC-SEMS, partially covered self-expandable metal stent.

^*Patency, period from stent insertion to obstruction;

^†Survival, period from stent insertion to death of the patient;

^‡Intraluminal stent cleaning using a retrieval balloon with intravenous antibiotics.