APOC3 and Alzheimer disease: After adjusting for the ApoE4 genotype, the esterified cholesterol levels remained significantly different between the ICH-CAA group and control (OR: 0.808 [0.683–0.956], p = 0.013); and ApoCIII levels between ICH-CAA group and AD (OR: 0.39 [0.184–0.829], p = 0.014) (Supplemental Table S2).