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Placement and balloon passage
| Placement | |
| Swallowed | 1133 (64.0%) |
| Swallowed with stylet assistance | 636 (35.9%) |
| Placement failed | 1 (0.06%) |
| Balloon passage | |
| Stool | 1692 (95.6%) |
| Vomited balloon | 11 (0.6%) |
| Endoscopic removals (all causes) | 63 (3.6%) |
| Surgical removals | 4 (0.02%) |
