Table 4. Multivariate analysis of factors for LNM in mixed-type EGC.
| Variables | OR | 95% CI | P value |
|---|---|---|---|
| Tumor size | 1.419 | 1.096–1.837 | 0.008 |
| Histology | 0.002 | ||
| MMD | 1 | ||
| MPD | 3.278 | 3.529–12.288 | |
| Depth of invasion | 0.008 | ||
| M | 1 | ||
| SM1 | 1.896 | 0.882–4.073 | 0.101 |
| SM2 | 5.059 | 1.818–14.279 | 0.002 |
| LVI | <0.001 | ||
| Absent | 1 | ||
| Present | 5.836 | 2.631–12.947 |
LNM, lymph node metastasis; EGC, early gastric cancer; OR, odds ratio; CI, confidence interval; MMD, mixed predominantly moderately differentiated adenocarcinoma; MPD, mixed predominantly poorly differentiated adenocarcinoma; M, mucosa; SM1, submucosal <500 μm; SM2, submucosal ≥500 μm; LVI, lymphovascular invasion.