Pair-wise discrimination performance (Somers D) of perfusion parameters and baseline SI
| Pair-wise Comparison | rCBV | PSR | Baseline SI |
|---|---|---|---|
| GBM vs PCNSL | 0.79 (0.58–0.99) | 0.83 (0.64–1.00) | 0.50 (0.23–0.77) |
| D = 0.57 | D = 0.65 | D = 0.00 | |
| GBM vs metastasis | 0.43 (0.24–0.63) | 0.49 (0.28–0.69) | 0.66 (0.47–0.84) |
| D =−0.14 | D = −0.03 | D = 0.31 | |
| GBM vs meningioma | 0.84 (0.69–0.99) | 0.69 (0.47–0.91) | 0.76 (0.56–0.95) |
| D = 0.68 | D = 0.37 | D = 0.52 | |
| PCNSL vs metastasis | 0.66 (0.43–0.88) | 0.81 (0.64–0.97) | 0.66 (0.43–0.88) |
| D = 0.31 | D = 0.61 | D = 0.31 | |
| PCNSL vs meningioma | 0.97 (0.90–1.00) | 0.89 (0.74–1.00) | 0.71 (0.46–0.97) |
| D = 0.93 | D = 0.78 | D = 0.43 | |
| Metastasis vs meningioma | 0.82 (0.68–0.96) | 0.65 (0.44–0.87) | 0.55 (0.35–0.75) |
| D = 0.64 | D = 0.31 | D = 0.10 |
Note:—GBM indicates glioblastoma multiforme; D, Somers D.
a Data are area AUC and 95% CI).