Table 3 Predictors of overall survival (Cox-hazard test)

Age

.195

1.038

.981

1.099

Sex

.400

1.963

.408

9.448

 T1 (reference)

.155

 T2

.522

1.883

.271

13.065

 T3

.115

.247

.044

1.405

 T4

.850

1.215

.161

9.185

 N0 (reference)

.445

 N1

.170

.162

.012

2.177

 N2

.223

.228

.021

2.456

 N3

.837

.821

.125

5.386

Induction ChT^a

.463

.625

.178

2.191

Receiving Planned RT dose (70Gy)

.093

3.675

.805

16.772

Receiving Planned ChT Cycles^b

.025

6.351

1.268

31.815

Duration of RT

.831

1.007

.948

1.069

Locoregional recurrence

.025

.157

.031

.796

Distant metastasis

.000

.014

.002

.107