TABLE 2

PPV, NPV, and Accuracy of Prediction of Dementia Due to AD

AnalysisPPV in %NPV in %Accuracy in %
11C-PiB
 Rater 150.0100.067.9
 Rater 256.0100.075.0
 Consensus rating50.0100.067.9
 Calculated cutoff values52.9100.071.4
18F-FDG
 Rater 120.065.253.6
 Rater 250.077.867.9
 Calculated cutoff values36.877.750.0