Table 2.

Clinical and Genetic Prognostic Factors

	Univariate Analysis		Multivariate Analysis
Prognostic Factor	HR (95% CI)	P value	HR (95% CI)	P value
Sex (male)	1.60 (0.93-2.75)	.093	1.60 (0.91-2.83)	.104
Age (>70 years)	2.53 (1.47-4.33)	<.001*	2.72 (1.51-4.92)	<.001*
KPS score (≤80 points)	1.46 (0.81-2.64)	.210	1.76 (0.92-3.37)	.088
PTR/biopsy	2.05 (1.20-3.48)	.008*	1.85 (1.03-3.32)	.041*
Unmethylated MGMTp	2.10 (1.24-3.57)	.006*	3.00 (1.67-5.39)	<.001*
PDGFRA gain/amp	2.22 (1.30-3.78)	.003*	1.82 (1.00-3.31)	.049*

KPS, Karnofsky Performance Status; PTR, partial tumor removal.

The symbol * indicates statistical significance.