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

Published in final edited form as: Behav Brain Res. 2011 Jan 14;219(2):205–212. doi: 10.1016/j.bbr.2011.01.008

Table 1.

Demographics and clinical characteristics of aMCI and CN subjects.

Characteristic	aMCI (n = 15)		CN(n = 20)		p value

	M	SD	M	SD
Gender(female/male)	6/9		9/11		NS^†
Age, years	77.9	5.9	75.0	6.2	NS
Education, years	14.0	2.3	14.8	2.6	NS
MMSE	27.7	1.8	29.5	0.8	< 0.002^*
RAVLT delayed recall	6.8	3.6	11.2	3.4	< 0.0001^*
GDS	7.0	6.3	2.7	2.8	< 0.01^*

Abbreviations: aMCI: amnesic mild cognitive impairment; CN: cognitively normal; M: mean; SD: Standard Deviation; MMSE: Mini-Mental State Examination; RAVLT: Rey Auditory Verbal Learning Test; GDS: Geriatric Depression Scale; NS: not significant.

^†

p value was obtained by χ² two-tailed test.

p values were obtained by a two-sample two-tailed t test. Unless otherwise indicated, data are presented as mean ± SD.