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Analysis of the relationship between baseline perfusion parameters and EGFRvIII mutation status
Perfusion Parameter^{^a} EGFRvIII Status (Median, Range) P Value AUC
Negative (n = 58) Positive (n = 24)
rVP_mean 3.6 (1.5–18.1) 9.3 (2.9–29.3) <.001 0.818
rVP_90%tile 5.1 (1.6–19.1) 10.7 (4.1–30.2) <.001 0.833
rVP_75%tile 4.2 (1.6–18.4) 9.2 (3.5–28.1) <.001 0.821
rK^trans_mean 3.7 (1.1–20.3) 6.5 (1.7–22.4) .008 0.688
rK^trans_90%tile 4.8 (1.5–22.6) 7.6 (2.1–31.8) .02 0.669
rK^trans_75%tile 4.2 (1.4–19.7) 6.8 (1.9–24.7) .007 0.692
Note:—AUC indicates area under the curve in the ROC analysis.
↵a All values are relative ratios normalized to tumor/contralateral normal tissue.

Perfusion Parameter^{^a}	EGFRvIII Status (Median, Range)		P Value	AUC
Perfusion Parameter^{^a}	Negative (n = 58)	Positive (n = 24)	P Value	AUC
rVP_mean	3.6 (1.5–18.1)	9.3 (2.9–29.3)	<.001	0.818
rVP_90%tile	5.1 (1.6–19.1)	10.7 (4.1–30.2)	<.001	0.833
rVP_75%tile	4.2 (1.6–18.4)	9.2 (3.5–28.1)	<.001	0.821
rK^trans_mean	3.7 (1.1–20.3)	6.5 (1.7–22.4)	.008	0.688
rK^trans_90%tile	4.8 (1.5–22.6)	7.6 (2.1–31.8)	.02	0.669
rK^trans_75%tile	4.2 (1.4–19.7)	6.8 (1.9–24.7)	.007	0.692