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Comparison of peak-to-trough of the tumor ROI to the normal contralateral ROI using Wilcoxon Rank Sum test.
| Grade | # of Patients | Normal Tissue BOLD % change (Mean ± SD) | Tumor Tissue BOLD % change (Mean ± SD) | P-value |
|---|---|---|---|---|
| All Patients | 16 | 1.2±0.5 | 0.6±0.8 | 1.7× 10−4 |
| Grade II | 5 | 0.9±0.2 | 0.4±0.4 | 0. 0043 |
| Grade III | 2 | 1.5±0.6 | 0.6±0.07 | 0. 23 |
| Grade IV | 9 | 1.3±1.0 | 0.7±0.5 | 0. 016 |
