Table 2. The simple and multiple linear regression analysis to assess the relationship between brachial-ankle pulse wave velocity and Mini-Mental State Examination.

	Simple			Multiple*
	R	P−value		R	B coefficient	P−value
AD: Alzheimer’s disease; MCI: mild cognitive impairment; MIX: mixed dementia; VaD: vascular dementia. *Refers to the adjustment for age, gender, diabetes mellitus, hyperlipidemia, hypertension and smoking.
All (n = 655)	−0.305	< 0.001		0.372	−0.223	< 0.001
AD (n = 161)	−0.067	0.399		0.220	−0.118	0.182
VaD (n = 73)	−0.266	0.023		0.466	−0.201	0.085
MIX (n = 73)	−0.061	0.609		0.306	0.018	0.889
MCI (n = 293)	−0.165	0.005		0.306	−0.074	0.238
Controls (n = 55)	−0.132	0.337		0.398	−0.100	0.512
AD + VaD + MIX (n = 307)	−0.097	0.045		0.369	−0.091	0.098
MCI + Controls (n = 348)	−0.206	< 0.001		0.452	−0.108	0.033