Table 2.
Types of interventions (n = 755) performed per examination (n = 553). Percentages are reported for categorical variables. Multiple interventions per examination were allowed.
| Variables | Interventions (n = 755) |
|---|---|
| Types of intervention (in % per examination) | |
| Drainage | 533 (96.4) |
| Internal biliary drainage | 282 (51.0) |
| Plastic endoprosthesis | 153 (27.7) |
| Self-expandable metal stent (SEMS) | 129 (23.3) |
| External biliary drainage | 236 (44.3) |
| Combined internal-external drainage | 15 (2.7) |
| Dilation therapy | 98 (17.7) |
| Anastomotic stricture | 46 (8.3) |
| Biliary tract stricture | 36 (6.5) |
| Metal stent stricture | 9 (1.6) |
| Papilla | 7 (1.3) |
| Papillotomy | 76 (13.7) |
| Extraction of biliary tract stones | 48 (8.7) |