Table 8 Multivariate survival analysis ^a for disease-free survival in patients with ESCC

Location (Lower vs. Middle vs. Upper)

-

-

0.673 (0.516-0.878)

0.003

Differentiation (G3 vs. G2 vs. G1)

1.149 (0.869-1.520)

0.331

1.241 (0.970-1.588)

0.085

pT category (T3-4 vs. T1-2)

1.402 (0.859-2.288)

0.177

1.344 (0.974-1.855)

0.072

pN category (N1-3 vs. N0)

2.902 (1.940-4.343)

0.000

1.608 (1.180-2.191)

0.003

GSTM3 expression (High vs. Low)

0.629 (0.425-0.931)

0.021

0.636 (0.464-0.872)

0.005