Table 3. Association between mild cognitive impairment and ¹⁸F-florbetapir PET imaging.

Model 1	Outcome: Mild Cognitive Impairment
Variable	OR	95% C.I.	Z-score	p-value
18F-florbetapir expert rating	1.94	0.51 to 7.52	0.97	0.33
Age at scan time	1.05	0.97 to 1.12	1.22	0.22
Model 2	Outcome: Mild Cognitive Impairment
18F-florbetapir SUVr cutoff	1.98	0.50 to 7.84	0.98	0.33
Age at scan time	1.03	0.96 to 1.11	0.85	0.39

Binary logistic regression models with sex, education, disease duration, and presence of APOE ε4 allele as additional covariates. Abbreviations: OR = odds ratio; CI = confidence interval.