Demographical data

Status	N	Female	Age	Education	Data time span
Preclinical AD	52	32	74.3 $\pm$ 5.5	16.4 $\pm$ 2.4	90.7 $\pm$ 38.6
MCI due to AD	111	50	71.6 $\pm$ 6.4	16.1 $\pm$ 2.8	73.1 $\pm$ 33.5
AD	13	5	76.7 $\pm$ 7.0	15.4 $\pm$ 3.0	39.7 $\pm$ 28.0
Total sample	176	87	72.8 $\pm$ 6.4	16.1 $\pm$ 2.7	75.8 $\pm$ 36.9

This table summarizes the demographical data of the sample used to estimate the mathematical model parameters. Values represent status at the earliest available time point. Age and education in years, data time in months. MCI, mild cognitive impairment. Mean $\pm$ SD.