Table 4. Univariate analysis for the presence of individual stent-related complications in hybrid compared to non-hybrid stents.

Hybrid stents vs. non-hybrid stents	Odds ratio	95% CI	P value
Obstruction by tumor/granulation tissue	0.84	0.34–2.09	0.71
Obstruction by secretions	2.53	1.10–5.84	0.03
Stent migration	6.60	2.16–20.2	0.001