Table 4.

Multivariate analysis for overall survival

VariableHazard ratio95% CIP
Site
 Extremity1
 Trunk2.081.44–2.990.042
Tumor depth
 Superficial1
 Deep3.932.05–7.560.025
Tumor size
 <5cm1
 ≥5cm1.260.71–2.250.69
Ki-67–labeling index
 0%–29%1
 ≥30%1.360.89–2.080.47
FNCLCC grading
 11
 2 + 31.831.15–2.921.00
AJCC staging
 I1
 II + III + IV11–11.00
p14ARF IHC
 Preserved1
 Decreased2.721.75–4.210.021
p16INK4a IHC
 Preserved1
 Decreased2.211.52–3.220.034