Table 4 Multivariable analysis of parameters for PFS and OS in loco-regionally advanced NPC patients with CCRT

Age

.214

1.717

.607

.347

.182

1.376

.500

.180

Sex

.634

8.513

2.323

.204

.690

10.271

2.662

.155

T stage

.279

3.778

1.027

.968

.214

4.381

.968

.967

N stage

.348

2.391

.912

.851

.317

3.572

1.064

.920

Tumor Stage

.237

5.662

1.158

.857

.141

6.124

.928

.938

Level of Ki67

.746

3.490

1.613

.225

.538

3.687

1.408

.486

Score

1.088

9.115

3.149

.034

1.674

15.817

5.146

.004