Table 2.
Clinical outcomes by endoscopic treatment modality n (%)
| EMR-C (n = 65) | ESD (n = 51) | P value | |
| Procedure time (min), mean ± SD, | 3.83 ± 1.17 | 14.43 ± 7.26 | < 0.001 |
| Complication | 0 (0.0) | 4 (7.8) | 0.044 |
| Bleeding | 0 | 4 (7.8) | |
| Perforation | 0 | 0 | |
| Endoscopic complete resection | 65/65 (100) | 51/51 (100) | |
| Histologic complete resection | 60/65 (92.3) | 40/51 (78.4) | 0.042 |
| Vertical margin involvement | 1 (1.5) | 1 (2.0) | 0.864 |
| Lateral margin involvement | 1 (1.5) | 2 (3.9) | 0.710 |
| Vertical and Lateral margin involvement | 0 (0.0) | 2 (3.9) | 0.159 |
| Indeterminate margin | 3 (4.6) | 6 (11.8) | 0.178 |
| Vertical:Lateral:Vertical and Lateral, n | 2:1:0 | 1:3:2 | |
| Lymphovascular invasion | 0 | 1 | 0.322 |
EMR-C: Endoscopic mucosal resection with a cap; ESD: Endoscopic submucosal dissection.