Table 3 Multivariate analysis of prognostic factors in node negative gastric cancer

1. Location of tumor

   Distal

1*

   Proximal

1.43

0.73-2.79

0.36(NS)

2. Tumor size

   ≤3 cm

1*

   >3 cm

7.97

1.08-59.06

0.04

3. Serosal invasion

   Absent

1*

   Present

2.13

1.04-4.35

0.04