Table 3

Effect of clinical factors on Overall Survival, Disease-free Survival, and Local Control Rate: Univariate analyses

Univariate analysisSurvivalDisease-free survivalLocal control
Hazard ratio (95% CL)p-valueHazard ratio (95% CL)p-valueHazard ratio (95% CL)p-value
Age0.99 (0.97–1.01)0.230.99 (0.97–1.00)0.120.98 (0.95–1.01)0.12
Tumor size1.30 (1.13–1.49)0.00031.28 (1.13–1.45)0.00011.41 (1.18–1.69)0.0002
Pelvic LN (positive vs. negative)1.78 (0.98–3.25)0.062.19 (1.28–3.74)0.00441.84 (0.85–4.01)0.12
Stage
IB/IIA vs. III/IV0.30 (0.12–0.75)0.010.28 (0.12–0.65)0.0030.13 (0.03–0.572)0.0069
IIB vs. III/IV0.68 (0.36–1.29)0.240.75 (0.43–1.32)0.320.43 (0.19–0.98)0.044
Histologic grade (well and moderately well)0.73 (0.37–1.45)0.370.77 (0.42–1.40)0.391.34 (0.50–3.58)0.56
Histologic type (SCC vs. others)1.37 (0.64–2.96)0.420.88 (0.47–1.64)0.690.76 (0.32–1.81)0.54
Hb level0.98 (0.96–1.00)0.0440.97 (0.96–0.99)0.00120.97 (0.94–0.99)0.0045
OTT2.96 (1.53–5.72)0.00132.73 (1.52–4.91)0.00083.90 (1.74–8.72)0.0009
  • CL: confidence limits.