Table 4.

Multivariate analysis of patient’s and procedural’s characteristics associated with stent migration

		p-value	95% CI
Age		NS
Sex	Male	NS
	Female
Etiology	Liver transplantation	0.009	1.5–16.34
	Chronic pancreatitis	1 reference
	Post-surgical	0.009	1.62–28.77
No. of previous endoscopic treatments		NS
Dilation in a previous procedure	No	NS
	Yes
Dilatation preceding FCSEMS placement	No	NS
	Yes
Dilation diameter	6 mm	NS
	8 mm
Stricture length		NS
FCSEMS length	40 × 10 mm	NS
	60 × 10 mm
	80 × 10 mm