TABLE 3.

Internal Validation: Pearson Correlation and ICC Analysis for SUVR of Internal ¹⁸F-Florbetaben and ¹⁸F-Flutemetamol Dataset (n = 148) Relative to FreeSurfer Approach

	SPM				Proposed
Parameter	Slope	y-intercept	R²	ICC	Slope	y-intercept	R²	ICC
Global	0.869	0.113	0.946	0.965	1.019	−0.016	0.986	0.992
Frontal	0.956	0.183	0.947	0.946	0.983	0.019	0.987	0.992
PCC–precuneus	0.877	0.158	0.950	0.921	0.998	0.026	0.981	0.993
Lateral parietal	0.734	0.267	0.910	0.970	0.936	0.092	0.977	0.988
Lateral temporal	0.853	0.173	0.957	0.865	1.008	0.003	0.987	0.987
Medial temporal	0.879	0.269	0.732	0.554	0.944	0.125	0.891	0.861

PCC = posterior cingulate cortex.