Table 4 Model 3 NR index results
Classification method | % of original grouped cases correctly classified | % of cross-validated cases correctly classified | |
|---|---|---|---|
Discriminant analysis | 91.2% | 76.6%% | |
Automatic linear modeling predictor region | Â | Â | Predictor importance |
Gray matter | Â | Â | 0.15 |
Left frontal lobe | Â | Â | 0.07 |
Right frontal lobe | Â | Â | 0.07 |
White matter | Â | Â | 0.06 |
Whole brain matter (gray matter + white matter) |  |  | 0.06 |
Right ventral diencephalon | Â | Â | 0.05 |
Left thalamus | Â | Â | 0.05 |
Right thalamus | Â | Â | 0.04 |
Right lateral ventricle | Â | Â | 0.04 |
Right pallidum | Â | Â | 0.04 |
Diagnostic group | Sensitivity | Specificity | Area under the curve |
TBI | 100% | 100% | 100% |
bvFTD | 100% | 97.4% | 99.7% |
EOAD | 93.3% | 92.4% | 97.2% |
LOAD | 93.8% | 91.4% | 96.8% |
|  | Sensitivity NR index cutoff ≤ -2 | Specificity NR index cutoff ≤ -2 | Area under the curve NR index cutoff ≤ -2 |
TBI | 97.5% | 95.6% | 99.7% |
bvFTD | 95% | 88.9% | 98.2% |
EOAD | 91.1% | 87% | 92.3% |
LOAD | 84.4% | 78.1% | 92.3% |