TABLE 3.

The experiments on different conditions.

Classifier	Modalities	pMCI/sMCI	ACC	AUC
SVM	MRI, PET, CSF, APOE	110/205	83.6%	–
ELM	MRI, PET, CSF, APOE	110/205	84.7%	88.8%
ELM	MRI, PET, CSF, APOE, neuropsychological scores	110/205	85.1%	92.6%
ELM	MRI, PET, CSF, APOE, neuropsychological scores	110/141 (ambiguous subjects excluded)	87.1%	94.7%

ACC, accuracy; APOE, apolipoprotein E; AUC, area under receiver operating characteristic curve; CSF, cerebrospinal fluid; ELM, extreme learning machine; pMCI, progressive mild cognitive impairment; sMCI, stable mild cognitive impairment; SVM, support vector machine.