Table 3:
Perfusion parameters of benign and malignant tumors on the quantitative evaluation
| Benign Tumors Mean (± SD) | Malignant Tumors Mean (± SD) | Pa | Sensitivity (%) | Specificity (%) | Accuracy (%) | |
|---|---|---|---|---|---|---|
| All lesions (n = 86)b | ||||||
| mpASL rrCBF | 1.19 (0.59) | 2.84 (1.44) | <.001 | 85.4 | 84.4 | 84.9 |
| DSC rrCBF | 1.19 (0.69) | 2.93 (1.57) | <.001 | 82.9 | 80.0 | 81.45 |
| DSC rrCBV | 1.20 (0.62) | 3.07 (1.43) | <.001 | 68.3 | 97.8 | 83.05 |
| Group 1 (n = 38)c | ||||||
| mpASL rrCBF | 1.24 (0.47) | 3.06 (1.45) | <.001 | 94.4 | 80.0 | 87.2 |
| DSC rrCBF | 1.33 (0.83) | 3.13 (1.80) | <.001 | 88.9 | 75.0 | 81.95 |
| DSC rrCBV | 1.32 (0.67) | 3.22 (1.43) | <.001 | 66.7 | 100 | 83.35 |
| Group 2 (n = 48)d | ||||||
| mpASL rrCBF | 1.16 (0.68) | 2.67 (1.45) | <.001 | 78.3 | 88.0 | 83.15 |
| DSC rrCBF | 1.08 (0.54) | 2.77 (1.39) | <.001 | 78.3 | 84.0 | 81.15 |
| DSC rrCBV | 1.10 (0.58) | 2.96 (1.45) | <.001 | 69.6 | 96.0 | 82.8 |
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).