Table 3.
Aβ status classification results (five-fold mean ± SD) for the unimpaired group of the test ADNI.
| Biomarker | # Samples | AUC | Accuracy | Sensitivity | Specificity | Precision |
|---|---|---|---|---|---|---|
| Cognitive | 243 | 0.603 ± 0.004 | 0.597 ± 0.005 | 0.500 ± 0.017 | 0.648 ± 0.006 | 0.429 ± 0.007 |
| CSF | 114 | 0.862 ± 0.007 | 0.802 ± 0.008 | 0.784 ± 0.019 | 0.810 ± 0.015 | 0.666 ± 0.015 |
| T1-MRI | 187 | 0.651 ± 0.012 | 0.634 ± 0.008 | 0.512 ± 0.058 | 0.694 ± 0.028 | 0.447 ± 0.012 |
| Diffusion-MRI | 24 | 0.825 ± 0.049 | 0.775 ± 0.037 | 0.514 ± 0.163 | 0.882 ± 0.042 | 0.644 ± 0.057 |
| T1-MRI and risk | 187 | 0.720 ± 0.013 | 0.726 ± 0.010 | 0.489 ± 0.058 | 0.841 ± 0.022 | 0.599 ± 0.018 |