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Specificity and sensitivity of using plasma D-amino oxidase (DAO) to diagnose post-stroke dementia (PSD). (A) Distinguishing normal controls (NC) from post-stroke dementia patients (PSD). (B) There is no cut-off value to distinguish between NC and post-stroke patients without dementia (PSNoD). (C) Distinguishing PSD from PSNoD patients. (D) Distinguishing NC + PSNoD patients from PSD patients. AUC, Area under the curve; CI, Confidence interval.
