Table 4 Time to stent obstruction by various causes; median (range)
From: Factors associated with patency of self-expandable metal stents in malignant biliary obstruction
UC-SEMS | PC-SEMS | FC-SEMS | ||||
|---|---|---|---|---|---|---|
n | days | n | days | n | days | |
Stone/ sludge | 1 | 85 | 13 | 97 (12–643) | 2 | 170.5 (147–194) |
Food particles | 3 | 157 (133–169) | 4 | 32 (12–245) | 1 | 93 |
Tumor ingrowth | 1 | 32 | 2 | 97 (97,97) | 1 | 207 |
Tumor overgrowth | 2 | 31.5 (13–50) | ||||