Fig. 4From: Deep learning-based amyloid PET positivity classification model in the Alzheimer’s disease continuum by using 2-[18F]FDG PETROC curve and confusion matrix of the best performing model for classifying Aβ PET positivity in the internal validation dataset (a, b) and the external validation dataset (c, d). Abbreviation: ROC = receiver operating characteristic; AUC = area under curveBack to article page