Table 6:

Summary of multivariate associations with survival in the whole series (n = 126)

Prognostic Factor	Multivariate Analysis
	Hazard Ratio	95% CI	P Value
Patient age	1.054	1.031–1.077	<.001
rCBV median ≥ 5.195	1.608	0.928–2.784	.090
ADC median < 0.799 × 10−3 mm2/s	2.339	1.291–4.240	.005
Histologic grade (ref grade II)			.027
Grade III	1.484	0.495–4.449	.481
Grade IV	3.538	1.328–9.427	.012

Note:—ref indicates reference.