Table 2.
Clinical outcomes for different endoscopic resection techniques
| ESD group (39) | MBM group (60) | ESE group (36) | P value | |
|---|---|---|---|---|
| Mean resected specimen size (mm) | 21.4 | 14.8 | 28.3 | < 0.001 |
| Endoscopic complete resection rate (%) | 39 (100%) | 59 (98.3%) | 36 (100%) | 0.442 |
| En bloc resection rate (%) | ||||
| < 15 mm | 13 (92.8%) | 41 (97.6%) | 14 (100%) | 0.597 |
| ≥ 15 mm | 24 (96%) | 8 (44.4%) | 21 (95.5%) | 0.000 |
| Pathologic complete resection rate (%) | ||||
| < 15 mm | 13 (93%) | 40 (95.2%) | 13 (93%) | 0.915 |
| ≥ 15 mm | 23 (92%) | 8 (44.4%) | 21 (95.5%) | 0.000 |
| Procedure time (minutes) | 91 ± 43 | 24 ± 11 | 101 ± 39 | < 0.01 |
| Complications (%) | ||||
| Perforation | 4 (10.3%) | 0 (0%) | 4 (11.1%) | 0.03 |
| < 15 mm | 0 | 0 | 0 | – |
| ≥ 15 mm | 4 | 0 | 4 | 0.035 |
| Massive bleeding | 4 (10.3%) | 0 (0%) | 4 (11.1%) | 0.03 |
| < 15 mm | 0 | 0 | 0 | – |
| ≥ 15 mm | 4 | 0 | 4 | 0.035 |
| Minor bleeding | 3 (7.7%) | 4 (6.7%) | 3 (8.3%) | 0.952 |
| < 15 mm | 0 | 1 | 1 | 0.643 |
| ≥ 15 mm | 3 | 3 | 2 | 0.804 |
| others | 2 (5.1%) | 1 (1.7%) | 2 (5.5%) | 0.503 |
| Conversion to open surgery | 3 (7.69%) | 0 (0) | 1 (2.8%) | 0.057 |
| 4-year local recurrence (%) | 2 (5.1%) | 4 (6.7%) | 1 (2.7%) | 0.945 |