Table 2 Univariate and multivariate analysis of PFS and OS in all patients

Sex

0.329

0.429

 Male

 Female

Age

0.026^a

0.022^a

 < 50

RL

RL

 ≥ 50

1.894

(1.049,3.419)

0.034

1.999

(1.072,3.727)

0.029

Extent of surgery

0.003^a

0.040^a

 PR

RL

RL

 CR

0.370

(0.198,0.692)

0.002

KPS scores

0.036^a

0.000^a

 90–100

RL

 80

0.273

(0.137,0.542)

0.000

  ≤ 70

0.265

(0.095,0.738)

0.011

Concomitant TMZ

0.945

0.113

 Yes

 No

TMZ cycles

0.016^a

0.000^a

 < 6

RL

RL

 ≥ 6

0.495

(0.275,0.890)

0.019

0.246

(0.124,0.488)

0.000