Table 2.

Multivariate analysis of prognostic variables for disease-free and overall survival

Variableβ (SE)Overall survival hazard ratio (95% confidence interval)Pβ (SE)Disease-free survival hazard ratio (95% confidence interval)P
Tumor size, T1/T20.92 (0.49)2.52 (0.96-6.63)NS (0.06)0.83 (0.52)2.29 (0.82-6.35)NS (0.11)
Histologic type, SCC/non-SCC0.47 (0.40)1.60 (0.73-3.51)NS (0.24)0.49 (0.42)1.63 (0.72-3.71)NS (0.83)
Tumor differentiation, G1-G2/G30.23 (0.45)1.25 (0.52-3.00)NS (0.61)0.47 (0.51)1.61 (0.60-4.33)NS (0.35)
Int6, reduced/increased1.44 (0.40)4.22 (1.91-9.28)0.00061.30 (0.42)3.67 (1.61-8.36)0.0024
  • Abbreviations: β, beta coefficient; SCC, squamous cell carcinoma; NS, not significant.