Table 1. Demographic and clinical characteristics.

Age at baseline, y	79.18 (6.91)
Age at the time of diagnosis of dementia, y	82.78 (6.93)
Men / Women (%)	111 (28.6) / 277 (71.4)
Education, mean (SD), y	6.9 (4.6)
At least one ApoE4 allele (n=322 patiens)	31.9
Duration of follow-up, mean (SD), y	3.6 (2.6)
Number of visit, mean (SD)	4.1 (1.8)
Number of visit after time of diagnosis of dementia, mean (SD)	2,7 (1,3)
Ethnicity: white / non hispanic	11.9%
Ethnicity: black / non hispanic	31.4%
Ethnicity: hispanic	55.4%
Ethnicity: others	1.3%