Table 2 Univariate and multivariate cox regression analysis for disease-free survival and overall survival in patients with laryngeal squamous cell carcinoma

Factors

RR(95% CI)

P value^a

RR(95% CI)

P value^a

RR(95% CI)

P value^a

RR(95% CI)

P value^a

Age^b

0.997(0.492 -2.019)

0.397

1.026(0.507 -2.078)

0.337

Sex^c

0.997(0.492 -2.020)

0.560

1.026(0.507 -2.079)

0.457

Tumor location^d

0.997(0.492 -2.021)

0.053

1.026(0.507 -2.080)

0.085

Pathology grade^e

0.997(0.492 -2.022)

0.003

1.074(0.643 -1.795)

0.786

1.026(0.507 -2.081)

0.003

1.055(0.632 -1.763)

0.837

pT stage^f

0.997(0.492 -2.023)

0.013

1.074(0.643 -1.796)

0.434

1.026(0.507 -2.082)

0.013

1.055(0.632 -1.764)

0.291

Pathology TNM status^g

0.997(0.492 -2.024)

0.002

1.074(0.643 -1.797)

0.886

1.026(0.507 -2.083)

0.003

1.055(0.632 -1.765)

0.848

Treatment^h

0.997(0.492 -2.025)

0.005

1.074(0.643 -1.798)

0.167

1.026(0.507 -2.084)

0.015

1.055(0.632 -1.766)

0.164

pN stage^I

0.997(0.492 -2.026)

<0.001

1.074(0.643 -1.799)

0.04

1.026(0.507 -2.085)

<0.001

1.055(0.632 -1.767)

0.03

PTK6^k expression

0.997(0.492 -2.027)

0.002

1.074(0.643 -1.800)

0.029

1.026(0.507 -2.086)

0.002

1.055(0.632 -1.768)

0.038