Table 2.

Univariable analyses

	CSA		Volume		A/V		SI
Spearman Correlation Coefficient
	rs	p	rs	p	rs	p	rs	p
Age (n = 271)	-0.097	0.111	-0.100	0.102	0.060	0.328	-0.079	0.193
EOR (n = 264)	-0.147	0.017	-0.117	0.057	0.045	0.471	-0.099	0.110
KPS (n = 233)	-0.091	0.167	-0.092	0.163	0.064	0.329	-0.012	0.851
Mann-Whitney U test
	Median cm2	p	Median mL	p	Median cm−1	p	Median	P
Sex		0.575		0.976		0.456		0.388
Female (n = 108)	55.7		32.4		1.90		1.26
Male (n = 163)	57.1		30.4		1.98		1.27
MGMT		0.039		0.077		0.801		0.237
Methylated (n = 122)	60.2		35.6		2.01		1.27
Active (n = 143)	53.3		27.8		1.93		1.25
Univariable Cox Proportional Hazards Model
	HR	p	HR	p	HR	p	HR	p
Survival (n = 271)	1.003	0.039	1.002	0.349	0.971	0.630	1.645	0.031

Table 2 Summary of statistical analyses. CSA contact surface area, A/V area-volume-ratio, SI sphericity index, rs spearman correlation coefficient, EOR Extent of resection, KPS Karnofsky performance status, MGMT O-6-methylguanine-DNA methyltransferase, HR hazard ratio