%diff and |%diff| in 18F-FDG Uptake (kBq/mL) Between CT-AC and Each s-/m-Atlas in Each Merged Region
| Parameter | Frontal lobe | Occipital lobe | Parietal lobe | Insula and cingulate | Central structure | Temporal lobe* | Cerebellum* |
| %diff on s-Atlas | −0.87% ± 1.47% | 0.21% ± 1.67% | −0.37% ± 1.70% | −0.20% ± 1.12% | 0.58% ± 1.09% | 1.49% ± 1.37% | 1.55% ± 1.97% |
| %diff on m-Atlas | −0.64% ± 1.13% | 0.04% ± 1.53% | −0.06% ± 1.41% | 0.35% ± 0.92% | 0.53% ± 1.04% | −0.37% ± 1.41% | −1.15% ± 1.72% |
| |%diff| on s-Atlas | 1.46% ± 0.83% | 1.15% ± 1.19% | 1.42% ± 0.92% | 0.87% ± 0.71% | 0.97% ± 0.74% | 1.77% ± 0.95% | 2.11% ± 1.28% |
| |%diff| on m-Atlas | 1.12% ± 0.61% | 1.25% ± 0.82% | 1.18% ± 0.71% | 0.80% ± 0.55% | 0.91% ± 0.69% | 1.15% ± 0.85% | 1.49% ± 1.40% |
↵* s-Atlas vs. m-Atlas, P < 0.01.
%diff is CT-AC minus s-/m-AC divided by CT-AC. |%diff| is absolute value of %diff.