Table 3:

Perfusion parameters of benign and malignant tumors on the quantitative evaluation

Benign Tumors Mean (± SD)Malignant Tumors Mean (± SD)PaSensitivity (%)Specificity (%)Accuracy (%)
All lesions (n = 86)b
 mpASL rrCBF1.19 (0.59)2.84 (1.44)<.00185.484.484.9
 DSC rrCBF1.19 (0.69)2.93 (1.57)<.00182.980.081.45
 DSC rrCBV1.20 (0.62)3.07 (1.43)<.00168.397.883.05
Group 1 (n = 38)c
 mpASL rrCBF1.24 (0.47)3.06 (1.45)<.00194.480.087.2
 DSC rrCBF1.33 (0.83)3.13 (1.80)<.00188.975.081.95
 DSC rrCBV1.32 (0.67)3.22 (1.43)<.00166.710083.35
Group 2 (n = 48)d
 mpASL rrCBF1.16 (0.68)2.67 (1.45)<.00178.388.083.15
 DSC rrCBF1.08 (0.54)2.77 (1.39)<.00178.384.081.15
 DSC rrCBV1.10 (0.58)2.96 (1.45)<.00169.696.082.8

  • ↵a Mann-Whitney U test.

  • ↵b Benign (n = 45), malignant (n = 41).

  • ↵c Benign (n = 20), malignant (n = 18).

  • ↵d Benign (n = 25), malignant (n = 23).