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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.

Prognostic Factor	Multivariate Analysis
Prognostic Factor	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