Table 4.
Factors Associated with Delayed Complications
| Variables | With delayed complications (n=13) | Without delayed complications (n=86) | p-value |
|---|---|---|---|
| Age (yr) | 52.1±11.4 | 53.8±12.6 | 0.628 |
| Male | 9 (69.2%) | 56 (65.1%) | 1.000 |
| Comorbidities | 2 (15.4%) | 28 (32.6%) | 0.333 |
| Smoking | 1 (7.7%) | 14 (16.3%) | 0.685 |
| Alcohol | 4 (30.8%) | 21 (24.4%) | 0.733 |
| Anticoagulant and/or antiplatelet agent | 1 (7.7%) | 8 (9.3%) | 0.333 |
| Endoscopic resection technique | 0.029 | ||
| EMR | 10 (76.9%) | 83 (96.5%) | |
| ESD | 3 (23.1%) | 3 (3.5%) | |
| Endoscopic closure | 2 (15.4%) | 50 (58.1%) | 0.004 |
| Mean tumor size (long axis, cm) | 1.32±0.56 | 1.17±0.72 | 0.251 |
| Tumor location | 0.516 | ||
| 1st portion | 5 (38.5%) | 24 (27.9%) | |
| 2nd portion | 8 (61.5%) | 62 (72.1%) | |
| Histopathology | 0.953 | ||
| Adenocarcinoma | 0 (0.0%) | 4 (4.7%) | |
| HGD | 6 (46.2%) | 8 (9.3%) | |
| LGD | 7 (53.8%) | 74 (86.0%) | |
| Macroscopic findings | 0.316 | ||
| Elevated | 5 (38.5%) | 39 (45.3%) | |
| Flat | 3 (23.1%) | 31 (36.0%) | |
| Depressed | 5 (38.5%) | 16 (18.6%) | |
| En bloc resection | 12 (92.3%) | 70 (81.4%) | 0.457 |
| Complete resection | 8 (61.5%) | 68 (79.1%) | 0.173 |
EMR, endoscopic mucosal resection; ESD, endoscopic submucosal dissection; HGD, high grade dysplasia; LGD, low grade dysplasia.