Characteristics of the AD, VaD, and Control groups

Variable Characteristic	AD	VaD	Control
No. of patients	32	22	20
M/F	15/17	12/10	9/11
Age, y*	67.0 ± 10.3	71.2 ± 8.2	67.6 ± 11.3
MMSE score*	19.1 ± 5.8	23.6 ± 3.4	28.5 ± 1.2

^*Data are the mean ± SD.