Table 2 Univariate and multivariate analyses of factors influencing OS and PFS

Age

0.835 ~ 1.297

0.721

0.780 ~ 1.195

0.748

Gender

0.494 ~ 0.820

<0.001

0.543 ~ 0.883

0.003

0.676 0.522 ~ 0.875

0.003

0.775 0.606 ~ 0.990

0.041

GTV-p

1.625 ~ 2.550

<0.001

1.738 ~ 2.693

<0.001

1.682 1.329 ~ 2.129

<0.001

1.673 1.321 ~ 2.118

<0.001

LNM

1.615 ~ 2.581

<0.001

1.671 ~ 2.623

<0.001

1.803 1.419 ~ 2.292

<0.001

1.603 1.246 ~ 2.062

<0.001

cT stage

1.269 ~ 1.726

<0.001

1.309 ~ 1.762

<0.001

1.245 1.059 ~ 1.464

0.008

1.214 1.037 ~ 1.422

0.016

cN stage

1.313 ~ 1.732

<0.001

1.438 ~ 1.889

<0.001

1.264 1.077 ~ 1.483

0.004

cTNM stage

1.129 ~ 1.333

<0.001

1.156 ~ 1.357

<0.001

Tumor length

1.177 ~ 1.839

0.001

1.186 ~ 1.829

<0.001