Table 2 PIK3CA mutation was significantly associated with shorter survival after adjusting for age, KPS, gross total resection, IDH1 mutation, and MGMT promoter methylation

0.0004^*

0.005^*

1.03 (1.01–1.05)^#

0.10

0.28

0.99 (0.97–1.01)^#

0.02^*

0.17

0.75 (0.49–1.13)

0.03^*

0.01^*

2.89 (1.30–5.90)

< 0.0001^*

0.002^*

0.10 (0.006–0.50)

< 0.0001^*

< 0.0001^*

0.33 (0.21–0.52)

0.0004^*

0.003^*

1.03 (1.01–1.05)^#

0.047^*

0.32

0.99 (0.96–1.01)^#

0.11

0.53

0.87 (0.55–1.35)

0.19

0.049^*

2.32 (1.00–4.88)

< 0.0001^*

0.02^*

0.15 (0.008–0.74)

< 0.0001^*

< 0.0001^*

0.27 (0.17–0.44)