Table 2.
Colorectal ESD procedure-related outcomes.
| Characteristics | |
|---|---|
| Type of ESD (%) | |
| ESD throughout | 632 (81.2%) |
| Hybrid ESD | 146 (18.8%) |
| Submucosal fibrosis (%) | 161 (20.7%) |
| En bloc resection | |
| Yes | 688 (88.4%) |
| No (piecemeal resection) | 90 (11.6%) |
| ESD time (min) | 54.2 ± 43.6 |
| Adverse events (%) | |
| Perforation | 37 (4.8%) |
| Delayed bleeding | 18 (2.3%) |
| Deep margin involvement (%) | 8 (1.0%) |
| Lateral margin involvement (%) | 89 (11.4%) |
| Histological complete resection (%) | 627 (80.6%) |
| Follow-up duration (months) | 37.4 ± 31.7 |
| Frequency of surveillance endoscopy | 2.3 ± 1.5 |
| Local recurrence (%) | 12 (1.5%) |
ESD, endoscopic submucosal dissection.