Table 3.
Comparison of treatment outcomes between the endoscopic mucosal resection and endoscopic submucosal dissection groups after propensity score matching
| EMR group, n = 28 | ESD group, n = 28 | P value | |
| Procedure time, min | |||
| Median (IQR) | 6 (3-10.75) | 87.5 (68.5-136.5) | < 0.001 |
| En bloc resection, n (%) | 23 (82.1) | 26 (92.9) | 0.42 |
| Complete resection, n (%) | 20 (71.4) | 25 (89.3) | 0.18 |
| Closure of mucosal defects, n (%) | 24 (85.7) | 27 (96.4) | 0.35 |
| Adverse events, n (%) | 1 (3.6) | 5 (17.9) | 0.19 |
| Intraoperative perforation, n (%) | 0 (0) | 3 (10.7) | 0.24 |
| Delayed perforation, n (%) | 0 (0) | 1 (3.6) | 1 |
| Delayed bleeding, n (%) | 1 (3.6) | 0 (0) | 1 |
| Emergency surgery, n (%) | 0 (0) | 1 (3.6) | 1 |
| Hospital stay, d | |||
| Median (IQR) | 8 (6-10.75) | 11 (8.25-14.75) | 0.006 |
| Follow-up duration, mo | 23 (11-35.5) | 24 (9.75-57.5) | 0.831 |
| Median (IQR) | |||
| One-year follow-up, n (%) | 21 (75) | 20 (71.4) | 1 |
| Local recurrence, n (%) | 1 (3.6) | 0 (0) | 1 |
| Metastatic recurrence, n (%) | 0 (0) | 0 (0) | - |
P values were calculated using Fisher’s exact test for categorical data and Mann-Whitney U test for continuous data. EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; IQR: Interquartile range.