Table 1.

Demographics and clinical manifestations of study patients and normal subjects

	AD (N = 24)	CN (N = 19)	P Value
Age (year)	72.9 ± 7.5	68.6 ± 9.0	NS
Gender	11M13F	10M9F	NS
SBP (mmHg)	132.0 ± 17.9	136.7 ± 20.1	NS
DBP (mmHg)	79.0 ± 11.2	83.4 ± 12.0	NS
HR (bpm)	63.3 ± 12.3	63.0 ± 9.7	NS
MMSE	22.3 ± 4.2	29.5 ± 0.8	<  0.05
Duration (year)	3.9 ± 1.6		NS
Smoking	0	0	NS
Hypertension	14	11	NS
Dyslipidemia	11	9	NS
Diabetes	3	2	NS

Results are presented as the mean ± standard deviation. Abbreviations: AD=Alzheimer’s disease; DBP=diastolic blood pressure; CN=cognitively normal; HR=heart rate; MMSE=Mini-Mental State Examination; NS=not significant; SBP=systolic blood pressure; Hypertension=subjects with controlled hypertension; Dyslipidemia=subjects with controlled high blood cholesterol level on cholesterol medications; Diabetes=controlled type 2 diabetes without diabetic retinopathy