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Mediation on effects of SOD1 on Precuneus GM by tau in AD and MCI participants who convert to AD. Preacher–Hayes mediation of CSF SOD1, total tau, and regional GM volume in left precuneus in a submaximum voxel (−10.5, −49.5, 72) among participants with MCI who converted to AD within 24 months and AD participants diagnosed at baseline. AD, Alzheimer's disease; MCI, mild cognitive impairment. Color images are available online.
