| Study | Type | Treatment | Patients (n) | Success (%) | Morbidity (n) | 30 day-mortality (n) | Mean Hospital stay (days) | Recurrent jaundice (%) | Survival (weeks) |
| Bornman et al. 1986 (22) | Randomized | Endoscopy | 25 | 84 | 28 | 8 | 18 | 38 | 19 |
| Surgery | 25 | 76 | 32 | 20 | 24 | 16 | 15 | ||
| Shepherd et al. 1988 (23) | Randomized | Endoscopy | 23 | 82 | 30 | 9 | 5 | 30 | 22 |
| Surgery | 25 | 92 | 56 | 20 | 13 | 0 | 18 | ||
| Andersen et al. 1989 (24)
| Randomized | Endoscopy | 25 | 96 | 36 | 20 | 26 | 0 | 12 |
| Surgery | 25 | 88 | 20 | 24 | 27 | 0 | 14 | ||
| Smith et al. 1994 (3) | Randomized | Endoscopy | 101 | 92 | 30 | 8 | 19 | 36 | 22 |
| Surgery | 100 | 92 | 58 | 15 | 26 | 2 | 16 | ||
| Scott et al. 2008 (8) | Retrospective | Endoscopy | 33 | NA | NA | 18.1 | 34.1 | NA | 19.2 |
| Surgery | 23 | NA | NA | 4.3 | 10.2 | NA | 54.5 | ||
| Distler M et al. 2010 (7) | Retrospective | Endoscopy | 138 | NA | 5.1 | 2.2 | NA | NA | 22 |
| Surgery | 41 | NA | 14.6 | 2.4 | NA | 4 | 27 | ||
| Current | Retrospective | Endoscopy | 64 | 86.5 | 10.9 | 3.1 | 6 | 10.9 | 14.4 |
| Surgery | 22 | 84.6 | 36.3 | 9 | 9 | 0 | 27.4 |