Table 1. The correlations between lymph node metastasis and clinicopathological features of EGC patients.
| Clinicopathological features | Lymph node metastasis |
P | |
|---|---|---|---|
| Negative (n=209) | Positive (n=17) | ||
| Gender | 0.885 | ||
| Male | 144 (92.3%) | 12 (7.7%) | |
| Female | 65 (92.9%) | 5 (7.1%) | |
| Age (year) | 0.860 | ||
| <60 | 106 (92.2%) | 9 (7.8%) | |
| 360 | 103 (92.8%) | 8 (7.2%) | |
| Tumor location | 0.955 | ||
| Upper 1/3 | 29 (93.5%) | 2 (6.5%) | |
| Middle 1/3 | 56 (91.8%) | 5 (8.2%) | |
| Lower 1/3 | 124 (92.5%) | 10 (7.5%) | |
| Macroscopic type | 0.106 | ||
| I/II | 139 (94.6%) | 8 (5.4%) | |
| III/Mixed | 70 (88.6%) | 9 (11.4%) | |
| Size (cm) | 0.319 | ||
| <2.0 | 100 (94.3%) | 6 (5.7%) | |
| 32.0 | 109 (90.8%) | 11 (9.2%) | |
| Histology | 0.783 | ||
| Adenocarcinoma | 147 (91.9%) | 13 (8.1%) | |
| Other types* | 62 (93.9%) | 4 (6.1%) | |
| Differentiation | 0.022 | ||
| Differentiated | 97 (97.0%) | 3 (3.0%) | |
| Undifferentiated | 112 (88.9%) | 14 (11.1%) | |
| Ulcer | 0.721 | ||
| Absent | 179 (92.7%) | 14 (7.3%) | |
| Present | 30 (90.9%) | 3 (9.1%) | |
| Lymphovascular invasion | 0.000 | ||
| Absent | 194 (95.1%) | 10 (4.9%) | |
| Present | 15 (68.2%) | 7 (31.8%) | |
| Depth of invasion | 0.001 | ||
| Mucosa | 124 (97.6%) | 3 (2.4%) | |
| Submucosa | 85 (85.9%) | 14 (14.1%) | |
EGC, early gastric cancer; *, signet-ring cell carcinoma, mucinous adenocarcinoma and et al.