Table 3. Results of the receiver operating characteristic curve analyses.
Cutoff point | FPF | TPF | AUC (95% CI) | SE | |
---|---|---|---|---|---|
MMSE | 23 | 0.143 | 0.695 | 0.835 (0.784–0.886) | 0.026 |
VSRAD VOI severity | 1.35 | 0.250 | 0.625 | 0.710 (0.645–0.775) | 0.033 |
VSRAD VOI extent | 33.54 | 0.125 | 0.492 | 0.708 (0.643–0.773) | 0.033 |
VSRAD GM extent | 3.51 | 0.402 | 0.703 | 0.649 (0.579–0.719) | 0.036 |
VSRAD ratio | 5.66 | 0.223 | 0.531 | 0.677 (0.610–0.745) | 0.034 |
eZIS severity | 1.3 | 0.250 | 0.469 | 0.616 (0.544–0.687) | 0.036 |
eZIS extent | 13.8 | 0.277 | 0.500 | 0.607 (0.536–0.679) | 0.037 |
eZIS ratio | 1.8 | 0.438 | 0.617 | 0.581 (0.580–0.654) | 0.037 |
Stepwise selection model | 0.517 | 0.179 | 0.828 | 0.870 (0.824–0.916) | 0.023 |
Abbreviations in Table 3: Mini-Mental State Examination, MMSE; Voxel-based Specific Regional Analysis System for Alzheimer’s Disease, VSRAD; volume of interest, VOI; gray matter atrophy in the whole brain, GM; easy Z-score imaging system, eZIS; regression coefficient, false positive fraction, FPF; true positive fraction, TPF; area under the curve, AUC; standard error, SE.