. Author manuscript; available in PMC: 2012 Dec 5.

Published in final edited form as: Brain Imaging Behav. 2009 Dec;3(4):350–357. doi: 10.1007/s11682-009-9077-0

Table 1.

Sample characteristics

Variable	Minimum	Maximum	Mean	Standard deviation
Demographic-Clinical
Age (years)	57	84	68	8
Education (years completed)	12	18	15	2
Mini mental status exam score	26	30	29	2
Dementia rating scale total score	134	144	140	3
Cardiac
Ejection fraction	0.36	0.76	0.60	0.12
Cardiac output (L/min)	3.55	6.31	4.4	0.78