Research Article

Biomarker Extraction Based on Subspace Learning for the Prediction of Mild Cognitive Impairment Conversion

Table 4

Classification performance of learning projection matrices using different data.

Data of learning projection matricesClassifierACC (%) valueSEN (%)SPE (%)AUC

pMCI and sMCI dataDecision tree classifier60.89<0.000167.2252.270.5318
AD and NC data66.3570.9760.330.6216
pMCI and sMCI dataSVM classifier with RBF kernel65.17<0.000173.9553.460.6495
AD and NC data68.3783.5748.060.6800
pMCI and sMCI dataSVM classifier with linear kernel64.78<0.000167.5960.910.6628
AD and NC data69.3775.3961.230.6951