Model performances for classification of presence of any cognitive impairment among different feature sets (MCI and dementia are grouped together). Thresholds balance out the TPR and FPR

Feature setPenaltyλAUCSpecificitySensitivityPPVNPVNumber of Features
NPTL1100.9290.8360.9270.810.93823
MMSEL110.8700.9320.8180.9000.87218
Baseline LinguisticL2100.8820.7260.8550.7010.869374
Baseline Linguistic + MMSEL110.9130.8630.8730.8280.900392
Expanded LinguisticL21000.8830.7670.8730.7380.889163
Expanded Linguistic + MMSEL1100.9150.8630.8910.8310.913181
Expanded SyntacticL2100.8210.8080.7640.750.81931
Expanded SemanticL21000.8700.7950.8360.7540.866126
Expanded LexicalL1100.8441.0000.6181.0000.7776