Comparison on the Efficacy between Partially Covered Self-Expandable Metal Stent with Funnel-Shaped Enlarged Head versus Uncovered Self-Expandable Metal Stent for Palliation of Gastric Outlet Obstruction

Table 3

Univariate and multivariate logistic regression analysis for the stent patency.

Stent patency	OR (95% C.I.)	value
Univariate analysis
Chemotherapy after stent insertion	1.937 (0.131 ~ 2.540)	0.032
Survival	0.722 (0.215 ~ 2.427)	0.599
Clinical success	4.833 (0.779 ~ 30.005)	0.091
Stent type
Enlarged head	Reference
Uncovered	1.371 (0.408 ~ 4.614)	0.610
Obstruction site
Pylorus	Reference
First part of duodenum	1.429 (0.303 ~ 6.737)	0.229
Second part of duodenum	0.800 (0.149 ~ 4.297)	0.795
Third part of duodenum	1.143 (0.077 ~ 16.947)	0.923
Stricture length	1.138 (0.595 ~ 2.174)	0.696
Stent length	0.761 (0.542 ~ 1.068)	0.114
Cancer etiology
Cholangiocarcinoma	Reference
Pancreatic cancer	2.800 (0.562 ~ 13.952)	0.209
Stomach cancer	8.000 (0.711 ~ 90.001)	0.092
Multivariate analysis
Clinical success	4.833 (0.779 ~ 30.005)	0.091