CLU and Atrophy: In addition, lower ApoJ content in HDL was significantly associated with corticosubcortical atrophy (absence = 756.79 [466.97–1,028.20] μg/mmol chol vs. presence = 304.47 [0.00–795.87] μg/mmol chol; p = 0.031) and its severity (p = 0.020) (Figure 3B).