Table 2.
Area under the receiver operating characteristic (ROC) curve (AUC) for various combinations of ratio numerators and denominators
| VOIs | Numerator | |||
|---|---|---|---|---|
| AD_DLB_num_1 | AD_DLB_num_2 | PCG_AD_VOI | AAL_PCG | |
| Denominator | ||||
| DLB_specific_VOI_1 | 0.876 ± 0.0681 (0.687–0.971) | 0.882 ± 0.0682 (0.695–0.974) | 0.757 ± 0.0973 (0.551–0.902) | 0.840 ± 0.0803 (0.644–0.953) |
| DLB_specific_VOI_2 | 0.864 ± 0.0725 (0.673–0.966) | 0.852 ± 0.0793 (0.658–0.960) | 0.740 ± 0.100 (0.532–0.890) | 0.817 ± 0.0867 (0.17–0.960) |
| AAL_medOccipital | 0.864 ± 0.0785 (0.673–0.966) | 0.858 ± 0.0797 (0.666–0.963) | 0.858 ± 0.0773 (0.666–0.963) | 0.882 ± 0.0730 (0.695–0.974) |
| AAL_PreC&C | 0.899 ± 0.0608 (0.717–0.982) | 0. 888 ± 0.0635 (0.702–0.977) | 0.763 ± 0.0977 (0.557–0.906) | 0.793 ± 0.0908 (0.590–0.925) |
Values in bold indicate AUCs ≥0.87. AUC ± standard error (95% confidential interval)
AD Alzheimer’s disease, DLB dementia with Lewy bodies, VOI volume of interest, AAL automated anatomical labeling, PCG posterior cingulate gyrus, PreC&C precuneus and cuneus