At baseline, the MCI and dementia groups did not differ significantly for TG/HDL (W = 0.39, p = 0.39) and CSF ApoA1 levels (W = 3642, p = 0.29), but the dementia group had higher plasma ApoA1 than the MCI group (W = 4615, p = 0.01). Here, APOA1 is linked to dementia.