Table 1.
Clinicopathological Characteristics Based on the Indication Criteria
| Characteristic | Absolute criteria group (n=517) | Expanded criteria group (n=588) | p-value |
|---|---|---|---|
| Age, yr | 64 (33–87) | 66 (27–87) | 0.143 |
| Gender, female/male, % | 34.6/65.4 | 30.3/69.7 | 0.123 |
| Macroscopic appearance | <0.001 | ||
| Elevated | 277 (53.6) | 251 (42.7) | |
| Flat/depressed | 240 (46.4) | 337 (57.3) | |
| Tumor size, mm | <0.001 | ||
| <20 | 517 (100.0) | 309 (52.6) | |
| 20–30 | 183 (31.1) | ||
| >30 | 96 (16.3) | ||
| Location | 0.237 | ||
| Upper | 24 (4.6) | 23 (3.9) | |
| Middle | 135 (26.1) | 180 (30.6) | |
| Lower | 358 (69.2) | 385 (65.5) | |
| Ulcer findings | <0.001 | ||
| Present | 0 | 294 (50.0) | |
| Abscent | 517 (100.0) | 294 (50.0) | |
| Invasion depth | <0.001 | ||
| M | 517 (100.0) | 540 (91.8) | |
| SM1 | 0 | 48 (8.2) | |
| SM2 | 0 | 0 | |
| Major comorbidity | 33 (6.4) | 31 (5.3) | 0.430 |
| Delayed bleeding | 17 (3.3) | 27 (4.6) | 0.269 |
| Perforation | 14 (2.7) | 18 (3.1) | 0.727 |
| Microperforation | 11 | 14 | |
| Macroperforation | 3 | 4 |
Data are presented as median (range) or number (%).
M, mucosa; SM, submucosa.