Table 1.

Relationship between variables and prognosis

VariablesHazard ratioP
PGP9.5
    High methylation versus low methylation2.50.01
Location
    Lower versus upper20.04
Lymph node metastasis
    Metastasis versus nonmetastasis1.980.05
TNM staging
    Stages III and IV versus stage I and II1.980.05
Depth of invasion
    Without wall versus within wall1.530.13