Parameters | Based on Minimum C1 Error | Errors | Based on Minimum C2 Error | Errors | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Threshold | Sensitivity | Specificity | PPV | NPV | C1 | C2 | Threshold | Sensitivity | Specificity | PPV | NPV | C1 | C2 | |
rCBF ratio mean | 2.562 | 0.867 | 0.765 | 0.765 | 0.867 | 0.184 | 0.073 | 2.562 | 0.867 | 0.765 | 0.765 | 0.867 | 0.184 | 0.073 |
rCBF ratio max | 2.845 | 0.867 | 0.824 | 0.813 | 0.875 | 0.155 | 0.049 | 2.845 | 0.867 | 0.824 | 0.813 | 0.875 | 0.155 | 0.049 |
rCBF ratio min | 2.017 | 0.867 | 0.588 | 0.650 | 0.834 | 0.273 | 0.187 | 2.164 | 0.800 | 0.647 | 0.667 | 0.786 | 0.277 | 0.165 |
rCBF ratio meana | 1.857 | 0.929 | 0.833 | 0.928 | 0.834 | 0.119 | 0.033 | 1.857 | 0.929 | 0.833 | 0.928 | 0.834 | 0.119 | 0.033 |
rCBF ratio maxa | 2.258 | 0.929 | 0.833 | 0.928 | 0.834 | 0.119 | 0.033 | 2.258 | 0.929 | 0.833 | 0.928 | 0.834 | 0.119 | 0.033 |
rCBF ratio mina | 2.164 | 0.786 | 0.833 | 0.917 | 0.625 | 0.191 | 0.074 | 2.164 | 0.786 | 0.833 | 0.917 | 0.625 | 0.191 | 0.074 |
FA ratio mean | 0.380 | 0.733 | 0.765 | 0.733 | 0.765 | 0.251 | 0.127 | 0.380 | 0.733 | 0.765 | 0.733 | 0.765 | 0.251 | 0.127 |
FA ratio max | 0.371 | 0.800 | 0.588 | 0.631 | 0.769 | 0.306 | 0.210 | 0.418 | 0.667 | 0.706 | 0.667 | 0.706 | 0.314 | 0.197 |
FA ratio min | 0.333 | 0.600 | 0.647 | 0.600 | 0.647 | 0.377 | 0.285 | 0.333 | 0.600 | 0.647 | 0.600 | 0.647 | 0.377 | 0.285 |
ADC ratio mean | 1.305 | 0.800 | 0.765 | 0.750 | 0.813 | 0.218 | 0.095 | 1.305 | 0.800 | 0.765 | 0.750 | 0.813 | 0.218 | 0.095 |
ADC ratio max | 1.494 | 0.933 | 0.529 | 0.636 | 0.899 | 0.269 | 0.226 | 1.494 | 0.933 | 0.529 | 0.636 | 0.899 | 0.269 | 0.226 |
ADC ratio min | 1.449 | 0.933 | 0.647 | 0.700 | 0.916 | 0.210 | 0.129 | 1.148 | 0.733 | 0.824 | 0.786 | 0.778 | 0.222 | 0.102 |
Cho/Cr | 1.789 | 0.933 | 0.471 | 0.609 | 0.888 | 0.298 | 0.284 | 2.813 | 0.733 | 0.647 | 0.647 | 0.733 | 0.310 | 0.196 |
NAA/Cho | 0.338 | 0.733 | 0.647 | 0.647 | 0.733 | 0.310 | 0.196 | 0.338 | 0.733 | 0.647 | 0.647 | 0.733 | 0.310 | 0.196 |
NAA/Cr | 1.922 | 0.200 | 1.000 | 1.000 | 0.586 | 0.400 | 0.640 | 0.725 | 0.600 | 0.412 | 0.474 | 0.539 | 0.494 | 0.506 |
Lac/Cr | 2.778 | 0.667 | 0.882 | 0.833 | 0.750 | 0.226 | 0.125 | 2.778 | 0.667 | 0.882 | 0.833 | 0.750 | 0.226 | 0.125 |
↵a rCBF ratio derived from purely astrocytomas.