Table 1.

Subject demographics

	All	CDR 0	CDR 0.5
N	34	18	16
Male/Female	16/18	4/14	12/4
Age (years)	74.2 ± 7.1	73.5 ± 6.0	75.0 ± 8.2
CDR SOB	—	0 ± 0	1.6 ± 1.09**
Education (years)	17.5 ± 2.9	17.4 ± 3.0	17.6 ± 2.8
MMSE	29.0 ± 1.0	29.4 ± 0.8	28.4 ± 1.1*
RAVLT	8.2 ± 4.6	11.0 ± 3.6	4.9 ± 3.6**

Values presented in the table are means ± SD. RAVLT, Rey auditory verbal learning task; SOB, Sum of Boxes.

*p < 0.05, **p < 0.005.