Classification of Alzheimer’s and MCI Patients from Semantically Parcelled PET Images: A Comparison between AV45 and FDG-PET

Table 5

Comparison in classification accuracy between FDG-PET and AV45-PET using combination of baseline and second-visit timepoints for all diagnostic pairs.

	FDG-PET results			AV45-PET results
	RBF-SVM	Random forest	value	RBF-SVM	Random forest	value
AD versus NC	91.7%	91.2%	0.010	90.8%	87.9%	0.024
AD versus EMCI	85.7%	85.7%	0.015	80.0%	88.0%	0.024
AD versus LMCI	87.5%	79.2%	0.016	88.9%	81.5%	0.027
EMCI versus NC	63.3%	56.7%	0.01	57.7%	59.7%	0.0203
LMCI versus NC	63.5%	65.4%	0.018	61.2%	55.7%	0.01
EMCI versus LMCI	53.9%	64.1%	0.01	52.2%	56.5%	0.017