CBVmax obtained using methods 1 and 2

Method	All Tumors, Mean (range)	AC (n = 21), Mean (range)	OA (n = 8), Mean (range)	OD (n = 5), Mean (range)
Method 1	4.01 (1.54–6.99)	3.30 (1.54–6.65)	5.33 (3.07–6.65)	5.04 (2.74–6.99)
Method 2	1.63 (0.70–3.51)*	1.44 (0.70–2.46)	1.53 (1.26–1.94)	2.21 (1.47–3.51)

Note:—AC indicates astrocytoma; OA, oligoastrocytoma; OD, oligodendroglioma; rCBV max, maximum relative cerebral blood volume.

^*P < .001 for method 1 versus method 2 by Wilcoxon test.