Table 3.

Results of Cox regression analysis summarizing significant independent prognostic factors

FactorHazard ratio (95% confidence ratio)P
Tumor status0.004*
    11.000
    22,248 (1.351-3.740)0.002
    32,623 (1.311-5.248)0.006
Nodal status<0.001*
    01.000
    12.286 (1.492-3.501)<0.001
    23.110 (1.783-5.424)<0.001
Performance status0.025*
    Normal1.000
    Slightly reduced1.564 (1.056-2.316)0.026
    In bed <50%2.342 (0.967-5.676)0.059
Differentiation0.048*
    Poor1.000
    Moderate0.611 (0.407-0.916)0.017
    Well0.670 (0.363-1.238)0.20
Vascular infiltration
    No1.000
    Yes1.961 (1.207-3.186)0.007
CD4+ cells, stroma
    High1.000
    Low2.624 (1746-3.945)<0.001
CD8+ cells, stroma
    High1.000
    Low1.893 (1.021-3.511)0.043
  • * Overall significance as a prognostic factor.