P values for differences in ROC curvesa
| Comparison | χ2 | P Value | |
|---|---|---|---|
| Differentiation of metastases from GBM and lymphoma | Mean PSR vs rCBV | 24.1782 | <.0001 |
| Minimum PSR vs mean PSR | 0.0000 | 1.0000 | |
| Differentiation of lymphoma from GBM and metastases | Maximum PSR vs rCBV | 6.4777 | <.011 |
| Maximum PSR vs mean PSR | 3.3210 | .0684 |
a Tested for significance using the bivariate χ2 test.