Table 4

Univariate analyses of prognostic factors in ESCC

VariablesN5-year survival rates (%)P
Sex
    Male18125.40.0754
    Female2240.9
Tumor depth
    pT1, 29841.7<0.0001
    pT3, 41056.3
Lymph node metastasis
    Negative9345.2<0.0001
    Positive11011.8
Stage
    I, II9344.6<0.0001
    III, IV1106.5
Lymphatic invasion
    Negative8442.9<0.0001
    Positive11916.0
Venous invasion
    Negative14334.3<0.0001
    Positive6010.0
E-cadherin
    Preserved8835.20.0049
    Reduced11520.9
Slug
    Negative10532.40.0139
    Positive9821.4
Combination of E-cadherin and Slug expression
    E-cadherin(+)Slug(−)5740.30.0012
    Others14621.9