TABLE 2

%diff and |%diff| in ¹⁸F-FDG Uptake (kBq/mL) Between Atlas-/ZTE-AC and CT-AC in Each Merged Region

Parameter	Frontal lobe	Occipital lobe	Parietal lobe	Insula and cingulate	Central structure	Temporal lobe	Cerebellum
%diff on atlas-AC	−1.17% ± 2.61%	−1.64% ± 1.41%	−1.20% ± 1.76%	−1.10% ± 2.31%	−1.83% ± 2.21%	−2.67% ± 2.07%	−3.64% ± 2.65%
%diff on ZTE-AC	−1.57% ± 1.25%	0.05% ± 0.89%*	−1.59% ± 1.10%	−0.55% ± 1.17%	0.54% ± 1.35%*	2.46% ± 1.19%*	3.31% ± 1.70%*
\|%diff\| on atlas-AC	2.42% ± 1.35%	1.66% ± 1.39%	1.63% ± 1.32%	2.22% ± 1.10%	2.54% ± 1.20%	2.78% ± 1.90%	3.73% ± 2.51%
\|%diff\| on ZTE-AC	1.75% ± 0.95%	0.64% ± 0.58%	1.70% ± 0.89%	1.06% ± 0.67%*	1.03% ± 0.99%^†	2.46% ± 1.19%	3.31% ± 1.70%

%diff is atlas-AC/ZTE-AC minus CT-AC divided by CT-AC. |%diff| is absolute value of %diff.
atlas-AC vs. ZTE-AC, *P < 0.05, ^†P < 0.01.