. Author manuscript; available in PMC: 2011 Jul 12.

Published in final edited form as: Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 2010 Apr 6;17(4):492–504. doi: 10.1080/13825581003646135

Table 1.

Group Comparisons on Demographic, Clinical, MRS, and CCTI Variables

	Controls (n = 42)	Amnestic MCI Pts (n= 29)	P value
Age - mean (SD)	64.83 (8.34)	70.31 (7.00)	.005
Years of Education - mean (SD)	15.00 (2.27)	14.00 (2.84)	.105
Gender: Female / Male	31 / 11	19 / 10	.452
Race: White / Black	34 / 8	22 / 7	.606
DRS Total Score (max = 144) - mean (SD)	139.38 (2.94)	131.14 (4.71)	.001
MMSE (max = 30) - mean (SD)	29.43 (1.04)	28.00 (1.44)	.001
CDR Staging: 0.0 / 0.5	42 / 0	0 / 29	.001
Cholinesterase Inhibitor Use: yes/ no	----	11 / 18	----
CCTI Standard 1: Expressing Choice (range: 0–4)^*	3.76 (0.48)	3.86 (0.35)	.612
CCTI Standard 3: Appreciating Consequences (range: 0–8) ^*	7.50 (1.11)	6.93 (1.39)	.116
CCTI Standard 4: Reasoning about Treatment (range: 0–12) ^*	10.93 (4.55)	8.14 (4.09)	.027
CCTI Standard 5: Understanding Treatment (range: 0–78)^*	63.90 (9.12)	46.93 (12.93)	.001
NAA/Cr ^*	1.34 (0.12)	1.31 (0.14)	.432
Cho/Cr ^*	0.64 (0.05)	0.67 (0.06)	.035
mI/Cr ^*	0.90 (0.10)	0.98 (0.11)	.006

values adjusted for age