TABLE 1.

Characteristics of the sample at baseline.

	Whole sample (N = 94)	Cognitively unimpaired (N = 17)	Mild cognitive impairment (N = 57)	Dementia (N = 20)	p‐Value
Sex, female N (%)	47 (50%)	9 (52.9%)	26 (45.6%)	12 (60%)	= 0.522
Age, y (mean ± SD)	70 ± 7	69 ± 7	72 ± 5	67 ± 8	= 0.008
Education, y	13 ± 3	15 ± 3	13 ± 3	11 ± 3	= 0.034
MMSE score	24 ± 4	27 ± 2	26 ± 2	18 ± 6	< 0.001
A status, positivity (+)	63 (67%)	3 (17.6%)	42 (73.6%)	16 (80%)	< 0.001
T status (+)	47 (50%)	0 (0%)	32 (56%)	15 (75%)	< 0.001

Note: Continuous variables are reported as mean and standard deviation, categorical variables as number and percentage. All p‐values are obtained by Kruskal‐Wallis test for continuous variables and proportion test for frequencies. Reported A, T statuses are based on visual assessment of amyloid‐PET, and tau‐PET scans, respectively.

Abbreviations: A, amyloid; MMSE, mini‐mental state examination; N, number; SD, standard deviation; y, year; T, tau.