From: Prevalence and pattern of cognitive impairment in rural and urban populations from Northern Portugal
Cognitive status | N | % | R:U | F:M | Age (years) | Education (years) | MMSE score |
---|---|---|---|---|---|---|---|
NCI | 974 | Â | 0.94 | 0.96 | 66.2 (5) | 4.0 (1) | 28.0 (2) |
CIND | 141 | Â | 1.3 | 1.5 | 69.9 (6) | 3.0 (2) | 22.0 (3) |
   General vascular | 36 | 25.5 | 1.1 | 1.8 | 70.1 (7) | 3.0 (2) | 23.5 (3) |
   Depression | 26 | 18.4 | 1.1 | 8.1 | 69.6 (4) | 3.0 (2) | 23.0 (2) |
   Cerebrovascular | 20 | 14.2 | 1.4 | 1.3 | 69.7 (5) | 3.0 (2) | 22.5 (4) |
   Alcohol abuse | 13 | 9.2 | 3.3 | 0.1 | 69.5 (5) | 1.0 (2) | 19.0 (3) |
   Traumatic brain injury | 11 | 7.8 | 0.7 | 0.4 | 68.6 (7) | 2.0 (2) | 22.0 (3) |
   Sociocultural | 8 | 5.7 | 8|0 | 8|0 | 75.2 (5) | 0.5 (1) | 18.0 (3) |
   Other neurological | 8 | 5.7 | 0.6 | 1.1 | 73.4 (3) | 4.0 (3) | 26.0 (4) |
   Mental retardation | 7 | 5.0 | 1.5 | 7|0 | 65.4 (8) | 0.0 (0) | 14.0 (3) |
   Psychiatric | 6 | 4.3 | 1.2 | 0.7 | 67.0 (7) | 4.0 (3) | 26.0 (3) |
   No other condition | 6 | 4.3 | 1.2 | 3.4 | 66.9 (8) | 2.5 (2) | 23.5 (4) |
Dementia | 31 | Â | 2.1 | 0.7 | 73.9 (4) | 2.0 (2) | 17.0 (4) |
   AD | 12 | 38.7 | 3.0 | 2.0 | 75.0 (7) | 2.0 (2) | 18.5 (5) |
   Vascular | 12 | 38.7 | 1.8 | 0.3 | 70.4 (4) | 2.5 (2) | 17.0 (4) |
   Alcohol | 2 | 6.5 | 0.6 | 0|2 | 75.2 (4) | 0.5 (1) | 18.0 (3) |
   Parkinson | 1 | 3.2 | 1|0 | 1|0 | 74.1 | 3.0 | 20.0 |
   Rapidly progressive | 1 | 3.2 | 1|0 | 0|1 | 71.5 | 11.0 | 24.0 |
   Unclassifiable | 3 | 12.9 | 3|0 | 1.4 | 76.7 (2) | 1.0 (2) | 12.0 (6) |