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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).