Table 3.

Characteristics of ROC curves in converted MCI after follow-up visit

	two-years follow up					three-years follow up
	Sensitivity	Specificity	AUC	95% CI	p	Sensitivity	Specificity	AUC	95% CI	p
SS-16	75.00%	74.29%	0.81	0.66–0.96	0.004	62.50%	77.42%	0.83	0.72–0.93	0.000
Aβ1–42	87.50%	61.43%	0.84	0.72–0.95	0.002	87.50%	61.43%	0.84	0.72–0.95	0.000
Combination	87.50%	87.14%	0.93	0.86–0.99	0.000	93.75%	85.48%	0.95	0.89–1.00	0.000

Abbreviations: CI confidence interval, SS-16 the 16-item odor identification test from Sniffin Sticks, ROC receiver operating characteristic, AUC area under the curve