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Table 4 Univariate analysis of prognostic factors for progression-free survival (PFS) and overall survival (OS) in HGG patients

From: Somatostatin receptor subtype 2 in high-grade gliomas: PET/CT with 68Ga-DOTA-peptides, correlation to prognostic markers, and implications for targeted radiotherapy

  

PFS

OS

 

n (%)

HR (95% CI)

P value

HR (95% CI)

P value

SSTR2 IHC

     

 Negative

19 (67.9)

1

 

1

 

 Positive

9 (32.1)

0.161 (0.037 to 0.704)

0.015

0.083 (0.010 to 0.655)

0.018

Age

     

  > 60

11 (39.3)

1

 

1

 

  < 60

17 (60.7)

0.484 (0.190 to 1.233)

0.128

0.183 (0.053 to 0.631)

0.007

Oligodendroglioma component

     

 No

21 (75.0)

1

 

1

 

 Yes

7 (25.0)

0.592 (0.210 to 1.672)

0.322

0.361 (0.094 to 1.380)

0.137

IDH1

     

 Wild type

19 (67.9)

1

 

1

 

 Mutated

9 (32.1)

0.312 (0.102 to 0.950)

0.040

0.167 (0.036 to 0.770)

0.022

MGMT promoter

     

 Unmethylated

5 (18.5)

1

 

1

 

 Methylated

22 (81.5)

0.234 (0.073 to 0.753)

0.015

0.229 (0.061 to 0.859)

0.029

1p/19q co-deletion

     

 No

24 (85.7)

1

 

1

 

 Yes

4 (14.3)

0.780 (0.244 to 2.496)

0.675

0.390 (0.081 to 1.871)

0.239

EGFR amplification

     

 No

20 (71.4)

1

 

1

 

 Yes

8 (28.6)

2.083 (0.819 to 5.297)

0.124

3.131 (0.986 to 9.943)

0.053

  1. Results are expressed as hazard ratio (HR) with 95% confidence interval.