. Author manuscript; available in PMC: 2012 May 1.

Published in final edited form as: Alzheimers Dement. 2011 May;7(3):300–308. doi: 10.1016/j.jalz.2010.04.005

Table 3.

Demographics of MCI subgroups. MCI Executive subjects have both memory impairment and executive dysfunction, while MCI Non-Executive subjects have memory impairment but no executive dysfunction.

Group	All MCI	MCI Executive	MCI Non-Executive	t/X²	p
n	387	83	304
Age	75.0±7.4	74.5±7.4	75.1±7.4	0.73	0.47
Sex (% male)	64.6	59.0	66.1	1.43	0.23
Education	15.7±3.0	14.3±3.4	16.1±2.7	4.35	<0.0001
MMSE	27.1±1.8	26.4±1.7	27.2±1.8	3.84	0.0001
RAVLT delayed recall	2.9±3.3	2.3±2.6	3.0±3.5	2.15	0.03
GDS	1.6±1.4	1.7±1.4	1.5±1.4	1.14	0.26
NPI-Q Depression	0.2±0.5	0.3±0.6	0.2±0.5	0.75	0.45
NPI-Q Apathy	0.2±0.5	0.3±0.7	0.2±0.5	1.72	0.09
FAQ	3.8±4.4	5.2±4.9	3.4±4.2	2.99	0.003

FAQ (Functional Activities Questionnaire), GDS (Geriatric Depression Scale), MCI (mild cognitive impairment), MMSE (Mini-Mental State Examination), NPI-Q Apathy (Neuropsychiatric Inventory brief questionnaire form, Apathy item), NPI-Q Depression (Neuropsychiatric Inventory brief questionnaire form, Depression item), RAVLT (Rey Auditory Verbal Learning Test).