Table 3.

Cox's propotional hazard modeling of change in brain tumor perfusion

Tumor Region	Variable	Estimate	SE	P value	FDR	Hazard Ratio
Whole tumor	Blood flow (mL/100 g/min)	−0.142	0.133	.29	0.52	0.868
	Blood volume (mL/100 g)	−0.166	0.121	.17	0.52	0.847
	Permeability (mL/100 g/min)	0.007	0.015	.62	0.70	1.008
Tumor Center	Blood flow (mL/100 g/min)	−0.120	0.136	.38	0.57	0.887
	Blood volume (mL/100 g)	−0.100	0.082	.22	0.52	0.905
	Permeability (mL/100 g/min)	0.011	0.009	.26	0.52	1.011
Periphery	Blood flow (mL/100 g/min)	−0.078	0.111	.48	0.62	0.925
	Blood volume (mL/100 g)	−0.114	0.104	.27	0.52	0.892
	Permeability (mL/100 g/min)	−0.003	0.010	.75	0.75	0.997

Results of Cox's proportional hazard modeling using a change in perfusion variables from baseline.