| | Adverse event | Procedure () | Cumulative () |
| | Perforation | 1.2% (3/255) | 13.8% (13/94) | | Stent migration | 0.4% (1/255) | 12.8% (12/94) | | Reobstruction due to | | | | Ingrowth | — | 10.6% (10/94) | | Overgrowth | — | 6.4% (6/94) | | Faecal impaction | — | 8.5% (8/94) | | Mucosal/bowel impaction into stent oral | — | 3.2% (3/94) | | Mucosal/bowel impaction into stent anal | — | 1.1% (1/94) | | Stent patent but second colonic obstruction | — | 2.1% (2/94) | | Bleeding | 0.4% (1/255) | 4.3% (4/94) | | Pain | 1.2% (3/255) | 4.3% (4/94) | | Persistent obstruction | 0.4% (1/255) | 1.1% (1/94) | | Other | — | 21.3% (20/94) | | Total AEs | 3.5% (9/255) | 74.5% (70/94) |
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