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Characteristics of the endoscopic intervention.
| H2O2 used | H2O2 not used | ||
| n (%) | n (%) | P | |
| Endoscopy type | |||
| EUS | 6 (35.3%) | 11 (64.7%) | .10 |
| Duodenoscopy | 5 (71.4%) | 2 (28.6%) | |
| Site of necrosectomy | |||
| Stomach body or antrum | 8 (44.4%) | 10 (55.6%) | .531 |
| Duodenal bulb | 2 (40%) | 3 (60%) | |
| Transpapiller | 0 | 1 | |
| Puncture | |||
| Needle knife | 7 (63.6%) | 9 (69.2%) | .10 |
| 19G | 4 (30.8%) | 9 (69.2%) | |
| Stent type | |||
| SEMS | 10 | 12 | .72 |
| Double pigtail+SEMS | 1 | 1 | |
| Procedural technical success | 10 (92.3%) | 12 (90.9%) | .90 |
