Covered Stents versus Uncovered Stents for Unresectable Malignant Biliary Strictures: A Meta-Analysis

Figure 8

Funnel plot of studies included in the six meta-analyses: (a) patient survival, (b) stent patency, (c) adverse events, (d) dysfunctions events, (e) complications, and (f) complications with endoscopic stent placement.

(a)

(b)

(c)

(d)

(e)

(f)