. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: Dement Geriatr Cogn Disord. 2014 Oct 3;39(0):12–24. doi: 10.1159/000365587

Table 1.

Demographic and cognitive data for MCI participants who remained diagnostically stable (MCI-S) or progressed to dementia (MCI-P).

	MCI-S	MCI-P	t(2424)/χ²(2426)
N	1318	1108
Age: visit F-1	75.4 (8.7)	77.0 (8.7)	−4.64*
Age: visit F	76.6 (8.7)	78.2 (8.7)	−4.71*
Months between visits F-1 and F	14.4 (5.0)	14.7 (5.9)	−1.33
Months between initial visit and visit F	27.6 (15.5)	23.8 (13.0)	6.40*
Years of Education^†	15.1 (3.1)	15.2 (3.1)	0.89
% Male	51.3%	51.6%	0.03
% Non-Hispanic White	78.3%	85.7%	22.28*
% Amnestic MCI at visit F-1	81.6%	89.6%	30.56*
MMSE at visit F-1^‡	27.3 (2.3)	25.8 (2.7)	14.49*

Parentheses denote standard deviation (SD).

^†

df=2418 due to missing data for 8 participants

^‡

df=2344 due to missing data for 80 participants.