Table 4.
Univariate analysis of risk factors for lymph node metastasis in patients who exceed extended indications for endoscopic early gastric cancer treatment
| LNM- (n = 97) | LNM+ (n = 42) | p value | |
|---|---|---|---|
| Age (mean ± SD) | 64.6 ± 12.6 | 66.4 ± 12.8 | 0.441 |
| Gender | |||
| Male | 53 (54.6%) | 18 (42.9%) | 0.268 |
| Female | 44 (45.4%) | 24 (57.1%) | |
| Histology | |||
| Differentiated | 39 (40.2%) | 13 (31.0%) | 0.344 |
| Undifferentiated | 58 (59.8%) | 29 (69.0%) | |
| Lauren classification | |||
| Intestinal | 50 (51.6%) | 18 (42.9%) | 0.553 |
| Mix | 11 (11.3%) | 7 (16.7%) | |
| Diffuse | 36 (37.1%) | 17 (40.4%) | |
| Tumor invasion | |||
| Mucosal | 30 (30.9%) | 4 (9.5%) | 0.009 |
| Submucosal | 67 (69.1%) | 38 (90.5%) | |
| Ulceration | |||
| UL+ | 50 (51.6%) | 20 (47.6%) | 0.670 |
| UL- | 47 (48.4%) | 22 (52.4%) | |
| Lymphovascular invasion | |||
| LV+ | 12 (12.4%) | 19 (45.2%) | 0.001 |
| LV- | 85 (87.6%) | 23 (54.8%) | |
| Tumor size | |||
| < 2 cm | 30 (30.9%) | 11 (26.2%) | 0.319 |
| 2–3 cm | 31 (32.0%) | 19 (45.2%) | |
| > 3 cm | 36 (37.1%) | 12 (28.6%) | |
All the values in bold shows significance