International Journal of Alzheimer’s Disease / 2011 / Article / Fig 1

Research Article

Morphological Factor Estimation via High-Dimensional Reduction: Prediction of MCI Conversion to Probable AD

Figure 1

(a, b) Distributions of morphological factors for the CTRL (a) and probable AD groups (b) alongside quantile plots based on the Gravitational model (see Section 2.5.4). (c) Receiver operating characteristic curve (ROC) for the morphological factor displaying the trade-offs between sensitivity and specificity at the task of discriminating CTRL versus probable AD. The area under the ROC curve was 0.9444. At the 90% accuracy point (135/150), specificity was 87.5% and sensitivity 92.9%.

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