Comparison 3. Teflon versus Polyethylene stent.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Technical failure	5	441	Risk Ratio (M‐H, Fixed, 95% CI)	1.24 [0.34, 4.50]
2 Therapeutic failure	3	278	Risk Ratio (M‐H, Fixed, 95% CI)	2.84 [1.31, 6.16]
3 Complications	5	441	Risk Ratio (M‐H, Fixed, 95% CI)	1.91 [0.83, 4.36]
4 30‐Day mortality	5	441	Risk Ratio (M‐H, Fixed, 95% CI)	1.27 [0.77, 2.11]
5 Recurrent biliary obstruction prior to death / end of study	4	335	Risk Ratio (M‐H, Fixed, 95% CI)	0.99 [0.78, 1.24]