Table 2.

Stepwise selection of Sp1 overexpression, tumor differentiation, and tumor stage as significant variables for patient survival were analyzed using the Cox proportional hazard model

Hazard ratio (95% confidence interval)SEzP > |z|
Positive Sp12.995168 (1.059714-8.465526)1.5877772.070.039
Tumor differentiation
    2 vs 10.1671525 (0.0400883-0.6969601)0.1217696−2.460.014
    3 vs 10.2119732 (0.0463751-0.9688955)0.1643576−2.000.045
Tumor stage
    II vs I6.610593 (1.006433-43.42064)6.3485171.970.049
    III vs I5.287212 (0.6780914-41.22543)5.5402491.590.112
    IV vs I21.42855 (1.899969-241.6791)26.489752.480.013