Table 2 Results of multivariable Cox regression analyses for progression free survival and overall survival

HR (95%CI)

p

HR (95%CI)

p

Combs modified score a: b:c: d

1.39

(95%CI 0.32–1.90)

0.381

0.86

(95%CI 0.46–1.59)

0.631

MGMT status (yes/no)

0.79

(95%CI 0.32–1.96)

0.621

1.38

(95%CI 0.58–3.29)

0.468

Any systemic therapy concomitant with re-mHSRT (yes/no)

2.87

(95%CI: 1.03–7.96)

0.042

0.77

(95%CI 0.31–1.92)

0.582

Re-resection prior to re-mHSRT (yes/no)

1.36

(95%CI 0.55–3.34)

0.497

0.51

(95%CI 0.21–1.21)

0.122