From: Plastic or metal stents for benign extrahepatic biliary strictures: a systematic review
 | Single plastic stent |  | USEMS |  | Multiple plastic stents |  |
---|---|---|---|---|---|---|
 | Technical success | Clinical success | Technical success | Clinical success | Technical success | Clinical success |
 | (mean) | (mean) | (mean) | (mean) | (mean) | (mean) |
All indications | 94,10% | 61.3% | 98,50% | 62,40% | 97,60% | 87,50% |
Post operative | 86,6,% | 64,90% | 97,60% | 59,60% | 100 | 87,60% |
Chronic pancreatitis | 100% | 36,60% | 100% | 80,40% | NA | NA |
Post OLT | 97,20% | 81% | 100% | 50% | 88% | 89% |