Table 1 Univariate and multivariate Cox regression analysis of clinical pathologic features for OS in CGGA

Age

< 0.001

1.033

1.02–1.047

0.938

1.001

0.985–1.017

Gender

0.621

0.931

0.7–1.237

0.897

0.979

0.707–1.356

Grade

< 0.001

2.017

1.736–2.344

< 0.001

1.455

1.199–1.767

Subtype

< 0.001

1.631

1.428–1.862

0.007

1.281

1.069–1.535

IDH1

< 0.001

0.367

0.27–0.501

0.118

0.721

0.479–1.086

Radio

< 0.001

0.505

0.368–0.694

< 0.001

0.49

0.345–0.696

Chemo

0.001

1.658

1.219–2.255

0.098

1.343

0.947–1.905

Risk score

< 0.001

17.093

6.993–41.783

0.048

4.1

1.009–16.652