Table 2.

Plasma amyloid-β levels (for higher level of 5 pg/ml) and cognitive scores at baseline in incident dementia cases and Alzheimer’s disease patients. A multiple linear regression model including gender, age, educational level, center, alcohol consumption, hypertension, IADL, depression and a history of vascular disease.

	All dementia		Alzheimer
	β	p	β	p
	IST score
Aβ40	−0.13	0.005	−0.13	0.04
Aβ42	−0.60	0,03	−0.45	0.18
Aβn-40	−0.09	0.03	−0.07	0.19
Aβn-42	−0.79	0.02	−1.03	0.01
Aβ42/Aβ40	1.68	0.18	1.64	0.30
Aβn-42/Aβn-40	−1.01	0.55	−3.18	0.16
	BVRT score
Aβ40	−0.01	0.53	−0.02	0.39
Aβ42	0.16	0.20	0.04	0.79
Aβn-40	−0.002	0.90	0.01	0.57
Aβn-42	0.001	0.99	−0.17	0.33
Aβ42/Aβ40	0.97	0.10	0.66	0.30
Aβn-42/Aβn-40	−0.11	0.89	−1.54	0.09
	MMSE score
Aβ40	0.02	0.32	0.03	0.27
Aβ42	0.06	0.49	0.17	0.15
Aβn-40	−0.001	0.96	0.00003	1.00
Aβn-42	−0.01	0.95	0.10	0.51
Aβ42/Aβ40	−0.15	0.73	0.11	0.84
Aβn-42/Aβn-40	−0.10	0.89	0.36	0.66
IST	All dementia (n=117)		AD cases (n=80)
BVRT	All dementia (n=114)		AD cases (n=77)
MMSE	All dementia (n=117)		AD cases (n=80)