Table 5 Linear discriminant analysis to classify subjects according to their relative pattern of perfusion
Contrast | Regions of interest | Coefficient | Constant | Sensitivity | Specificity |
|---|---|---|---|---|---|
Pro DLB vs HC | Middle temporal (R) | 5.5 | –24.1 | 87 | 90 |
Anterior insula/inferior frontal (R) | 9.2 | ||||
Superior parietal (R) | 8.1 | ||||
Superior orbitofrontal (R) | 5.1 | ||||
Superior frontal (L) | –5.9 | ||||
Mild DLB vs HC | Caudate nucleus (LR) | 19.8 | –38.5 | 94 | 95 |
Middle temporal (R) | 13.3 | ||||
Anterior insula/inferior frontal (R) | 4.8 | ||||
Anterior insula (L) | 8.4 | ||||
Mild DLB vs mild AD | Superior temporal (R) | 9.2 | –12.5 | 100 | 96 |
Caudate nucleus (L) | 5.1 | ||||
Inferior frontal (L) | 9.4 | ||||
Precuneus (LR) | –2.8 | ||||
Supramarginal (L) | –12.8 |