Table 2.

Diagnostic accuracy of blood test in step 1—discriminating control from Lewy body disease

Confusion matrix for SVM classification for discriminating Lewy body disease from normal controls
Predicted	SVM model
	DLB and PD	Normal control
DLB and PD	81	8
NC	8	48
Sensitivity	91.0%
Specificity	85.7%
Area under the ROC curve	0.9653

Abbreviations: SVM, support vector machine; DLB, dementia with Lewy bodies; PD, Parkinson's disease.