Table 1.

Baseline demographics of  participants

	Stable MCI (n = 462)	Progressive MCI (n = 270)	P-value
Age, years	73 (67–79)	74 (69–79)	0.109
Female, n (%)	179 (38.74)	105 (38.89)	1.000
Education, years	16 (14–18)	16 (14–18)	0.481
APOE ε4 carrier, n (%)*	196 (42.52)	182 (67.41)	< 0.001
MMSE	28 (27–29)	27 (26–28)	< 0.001
CDR-SB	1 (0.5–1.5)	2 (1.0–2.5)	< 0.001

Data are presented as median (interquartile range) unless otherwise specified

^*Data unavailable for 1 subject