TABLE 2.

Efficacy of different types of plasma Aβ in diagnosing MCI in the training cohort of T2DM patients.

Variables	Sensitivity	Specificity	Accuracy	AUC (95% CI)	Cutoff
Aβ1-40	0.685	0.464	0.518	0.579 (0.513–0.645)	159.81
Aβ1-42	0.708	0.464	0.523	0.605 (0.541–0.669)	53.23
Aβ1-42/Aβ1-40	0.596	0.620	0.614	0.631 (0.567–0.696)	0.54
Aβ1-40 + Aβ1-42	0.753	0.442	0.518	0.626 (0.561–0.692)
Aβ1-40 + Aβ1-42/Aβ1-40	0.809	0.409	0.507	0.635 (0.570–0.700)
Aβ1-42 + Aβ1-42/Aβ1-40	0.607	0.609	0.609	0.632 (0.567–0.696)
Aβ1-40 + Aβ1-42 + Aβ1-42/Aβ1-40	0.584	0.628	0.617	0.632 (0.567–0.698)

ROC, receiver operating characteristics; AUC, area under curve; CI, confidence interval.