MAPT and dementia: Exclusion of subjects that progressed to MCI or dementia in the follow-up (n = 49) did not change association between weight loss and total tau/AΔ42 ratio (0.33± 0.21 vs. 0.44±0.32, p = 0.01) or between weight loss and AV45 PET SUVR (1.091±0.156 vs. 1.182±0.252; p = 0.016).