Groups | Arterial phase | Venous phase | ||||
---|---|---|---|---|---|---|
40-70 keV | 70-100 keV | 100-140 keV | 40-70 keV | 70-100 keV | 100-140 keV | |
Malignant SPN(n = 42) | 3.473 ± 1.121 | 0.781 ± 2.975 | 0.359 ± 0.119 | 4.147 ± 1.356 | 1.793 ± 1.465 | 0.425 ± 0.141 |
Benign SPN(n = 20) | 3.396 ± 2.578 | 0.835 ± 0.712 | 0.357 ± 0.276 | 2.670 ± 0.697 | 0.761 ± 0.351 | 0.289 ± 0.083 |
t value | 0.09 | 0.231 | 0.030 | 3.803 | 2.846 | 3.205 |
P value | 0.930 | 0.822 | 0.976 | 0.001 | 0.010 | 0.004 |