B S.E. Wald P OR 95%CI.OR Lower Upper Tumor size 1.480 0.300 24.291 0.000 4.392 2.438 7.911 Undifferentiated 1.549 0.459 11.400 0.001 4.708 1.915 11.572 Submucosal Invasion 2.426 0.484 25.077 0.000 11.310 4.377 29.227

Table 2: Multivariate Logistic regression analysis on the lymph node metastasis in patients with EGC.