Demographic and clinical data of patients with iNPH or AD and control subjects^a

Characteristics	A	B	C	P Value	Post Hoc Significance
	iNPH (n = 22)	AD (n = 20)	Controls (n = 20)
Age (yr)	77.3 ± 4.9	74.6 ± 5.7	73.9 ± 6.0	.622
Male/female	10:12	10:10	7:13	.617
MMSE score	22.1 ± 3.7	18.3 ± 6.7	28.6 ± 0.0	<.001	A, B < Cb
Evans' index	0.36 ± 0.05	0.29 ± 0.03	0.27 ± 0.03	<.001	A > B, Cb
Vascular risk factors
Hypertension (%)	27.8	36.4	42.11	.561
Diabetes mellitus (%)	16.7	18.2	0	.157
Dyslipidemia (%)	22.2	27.3	0	.168

^aData are shown as mean ± SD.

^bP < .001.