Table 2.

The results of the ROC curve analysis of discrimination between DLB and AD in each test.

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Cut-off score	AUC
MIBG	86	100	100	67	2.54	0.96
DaT-SPECT	82	96	85	95	3.93	0.93
OSIT-J*Pareidolia test	77	67	73	67	2.93	0.75
The pareidolia test	73	62	70	74	2.50	0.73
OSIT-J	77	58	74	63	3	0.72

PPV, Positive Predictive Value; NPV, Negative Predictive Value; AUC, Area under the curve.