Table 2 Multivariate analyses of prognostic factors for nasopharyngeal carcinoma

CR vs IR

0.13

0.045–0.036

 < 0.001

0.26

0.095–0.744

0.012

0.78

0.34–1.24

0.18

Age

1.016

0.974–1,059

0.47

0.97

0.90–1.024

0.32

1.083

0.998–1.175

0.05

Gender (F/M)

0.99

0.2683.661

0.98

0.51

0.106–2.52

0.41

0.60

0.049–7.47

0.69

T stage (T1–2/T3–4a)

0.84

0.298–2.395

0.75

0.56

0.158–2.03

0.38

0.50

0.055–4.659

0.54

N stage

N0

Reference

Reference

0.46

-

-

-

-

-

-

N1

3.32

0.363–30.45

0.28

-

-

-

-

-

-

N2

3.95

0.479–32.65

0.20

-

-

-

-

-

-

N3

8.13

0.597–110.86

0.11

-

-

-

-

-

-

ECOG-PS

2.15

0.212–21.85

0.51

-

-

-

-

-

-

Smoking

2.11

0.668–6.698

0.2

-

-

-

-

-

-

Cisplatin dose with CRT (40 mg/m² vs 100 mg/m²)

2.12

0.734–6.132

0.16

-

-

-

-

-

-