Table 4. ROC analysis of distinguishing SCD and MCI by BECSI total and subtest scores.

Index	NC vs SCD			SCD vs MCI
	AUC	SE	95% CI	AUC	SE	95% CI
BECSI	0.835	0.015	0.806 to 0.863	0.889	0.014	0.862 to 0.916
Memory function	0.785	0.019	0.748 to 0.822	0.827	0.019	0.791 to 0.864
Execution efficiency	0.733	0.018	0.697 to 0.768	0.723	0.022	0.681 to 0.766
Psychopathological behaviour	0.600	0.022	0.557 to 0.644	0.652	0.025	0.603 to 0.701
Temporal orientation	0.632	0.020	0.593 to 0.672	0.581	0.025	0.533 to 0.630
Verbal function	0.503	0.023	0.458 to 0.549	0.738	0.022	0.696 to 0.781

AUC, area under the curve; BECSI, Brief Elderly Cognitive Screening Inventory; MCI, mild cognitive impairment; NC, normal cognitive; ROC, receiver operating characteristic curve; SCD, subjective cognitive decline.