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Table 4: Comparison of patients with recurrence with patients with radiation injury, according to cutoff values for TBRSUV_max and rCBV_mean
PET Recurrence PWI Radiation Injury PWI
+ − Total + − Total
+ 25 7 32 0 3 3
− 1 0 1 1 5 6
Total 26 7 33 1 8 9
Note:—+ indicates TBRSUV_max ≥ 1.85 or rCBV_mean ≥ 1.83; −, TBRSUV_max < 1.85 or rCBV_mean < 1.83.