Perfusion Parametera | EGFRvIII Status (Median, Range) | P Value | AUC | |
---|---|---|---|---|
Negative (n = 58) | Positive (n = 24) | |||
rVPmean | 3.6 (1.5–18.1) | 9.3 (2.9–29.3) | <.001 | 0.818 |
rVP90%tile | 5.1 (1.6–19.1) | 10.7 (4.1–30.2) | <.001 | 0.833 |
rVP75%tile | 4.2 (1.6–18.4) | 9.2 (3.5–28.1) | <.001 | 0.821 |
rKtransmean | 3.7 (1.1–20.3) | 6.5 (1.7–22.4) | .008 | 0.688 |
rKtrans90%tile | 4.8 (1.5–22.6) | 7.6 (2.1–31.8) | .02 | 0.669 |
rKtrans75%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.