Table 6.

Univariate analysis of patient’s or procedure’s characteristics associated with final success

Variable		n	p-value	Hazard ratio IC95%
Age		69	0.753	0.992	0.943	1.043
Sex	Male	51		1 reference
	Female	18	0.5735	1.35	0.47	3.9
Etiology	Liver transplantation	28	0.0381	3.99	1.08	14.73
	Chronic pancreatitis	33		1 reference
	Post-surgical	8	0.007	7.87	1.76	35.28
Number of previous endoscopic treatments		69	0.1451	1.425	0.885	2.295
Dilation in a previous procedure	No	50		1 reference
	Yes	11	0.8622	1.12	0.32	3.96
Dilation preceding FCSEMS	No	45		1 reference
	Yes	20	0.0098	3.68	1.37	9.91
Dilation diameter (mm)	6	5		1 reference
	8	10	0.1778	0.38	0.09	1.55
Stricture length		61	0.1521	0.614	0.315	1.197
Stent length	40 × 10	19		1 reference
	60 × 10	17	0.1718	4.61	0.52	41.24
	80 × 10	28	0.0385	8.69	1.12	67.37
Migration	No	59		1 reference
	Yes	10	0.5945	1.41	0.4	4.94
Persistent stricture	Attenuated	43	0.8855	1.08	0.39	2.97
	No	26		1 reference