Table 3.

The consistencies of regional brain SUVs among the three pairs of segmentation strategies at the whole-brain and cerebral cortex level

The consistencies among different methods		With or without MRI registration			With atlas- or individual-based algorithms			With or without AI
		With atlas-based algorithms	With individual-based algorithms	All	With MRI registration	Without MRI registration	All
Whole-brain level	ICC	0.984	0.951	0.985	0.963	0.936	0.970	0.998
	LB	0.962	0.884	0.964	0.913	0.851	0.928	0.995
	UB	0.994	0.980	0.994	0.985	0.973	0.987	0.999
Cerebral cortex level	ICC	0.974	0.924	0.975	0.741	0.879	0.819	0.997
	LB	0.954	0.869	0.956	0.582	0.795	0.699	0.995
	UB	0.985	0.957	0.986	0.846	0.930	0.894	0.998

ICC intraclass correlation coefficients, UB and LB the upper bound and lower bound of 95% confidential interval