Table 3.
Baseline characteristics of the 214 patients
| Characteristics | |
| Age (years) | 66.4 ± 7.8 |
| Sex (%) | |
| Male | 170 (79) |
| Female | 44 (21) |
| Past history of endoscopic resection for EGC (%) | 6 (2.8) |
| Past history of partial gastrectomy (%) | 4 (1.9) |
| Synchronous multiple EGC (%) | |
| Absent | 181 (85) |
| Present | 33 (15) |
| Longitudinal location of the main tumor | |
| Upper third | 55 (26) |
| Middle third | 113 (53) |
| Lower third | 46 (22) |
| Circumferential location of the main tumor (%) | |
| Lesser curvature | 115 (54) |
| Posterior wall | 50 (23) |
| Anterior wall | 34 (16) |
| Greater curvature | 15 (7) |
| Macroscopic type (%) | |
| Depressed | 117 (55) |
| Protruded | 88 (41) |
| Mixed | 9 (4.2) |
| Ulcer or scar in the main lesion (%) | |
| Negative | 120 (56) |
| Positive | 94 (44) |
| Tumor diameter (mm, ±SD) | 24.5 ± 11.5 |
| Ulcer positive | 15.2 ± 7.0 |
| Ulcer negative | 31.9 ± 8.7 |
| Resection | |
| En bloc | 212 (99) |
| Piecemeal | 2 (9.3) |
| Adverse events (%) | |
| Interprocedural perforation | 13 (6.1) |
| Delayed perforation | 1 (0.5) |
| Delayed bleeding | 29 (13.5) |
| Stenosis | 2 (0.9) |
EGC, early gastric cancer; SD, standard deviation.