CD59 and Alzheimer disease: (For NEVs, AD vs. Normal, p = 0.013; AD plus CD59 vs. Normal, p = 0.859; AD vs. AD plus CD59, p = 0.113; for AEVs, AD vs. Normal, p = 0.001; AD plus CD59 vs. Normal, p = 0.609; AD vs. AD plus CD59, p = 0.016).