Fig. 2
From: Associations of thyroid hormone serum levels with in-vivo Alzheimer’s disease pathologies
Global cerebral Aβ deposition according to the quartiles of fT4 levels in the study population. When subjects were divided according to category of fT4 (quartiles of similar sizes), higher levels of free T4 showed lower global cerebral amyloid deposition. Values presented as mean and error bars represent standard error. fT4 free thyroxine, Aβ global cerebral amyloid burden