Table 2.
Clinical outcomes of EMR and ESD
| EMR (n = 599) | ESD (n = 306) | P value | |
|---|---|---|---|
| En bloc resection (%) | 193 (32.2) | 306 (100) | 0.000 |
| Complete resection (%) | 568 (94.8) | 303 (99.0) | 0.003 |
| Complication (%) | 0.065 | ||
| Bleeding | 20 (3.3) | 21 (6.9) | |
| Perforation | 0 | 0 | |
| Stricture | 2 (0.3) | 0 (0.0) | |
| Post-procedure histopathologic result (%) | 0.000 | ||
| Other | 31 (5.2) | 4 (1.3) | |
| LGD | 469 (78.3) | 175 (57.2) | |
| HGD | 46 (7.7) | 76 (24.8) | |
| Adenocarcinoma | 53 (8.8) | 51 (16.7) | |
| Median follow-up duration | 43.29 ± 20.47 | 32.21 ± 17.60 | |
| Local recurrence (%) | 25 (4.2) | 4 (1.3) | 0.026 |
| Cumulative incidence | 25.02 ± 18.84 | 14.56 ± 5.653 | 0.286 |
EMR Endoscopic mucosal resection, ESD Submucosal dissection, HGD High-grade dysplasia, LGD Low-grade dysplasia