Table 1.

The prevalence of 10/66 and clinically diagnosed DSM-IV dementia

	Cases within 168 people with ‘probable dementia’	Cases within 56 people with ‘possible dementia’	Cases within 72 people with ‘no dementia’	Extrapolated dementia prevalence (%)
10/66 dementia
Females	103	37	2	28.5
Males	45	7	1	16.3
70–74 years	22	5	1	13.1
75–79 years	33	8	1	19.4
80–84 years	27	13	1	29.7
≥ 85 years	66	18	0	43.7
Total all cases	148	44	3	23.5
Age-standardised all cases (14)	–	–	–	21.6
DSM-IV clinically diagnosed dementia
Females	51	5	0	9.3
Males	22	0	0	4.8
70–74 years	9	1	0	3.5
75–79 years	10	1	0	3.8
80–84 years	15	1	0	8.6
≥ 85 years	39	2	0	19.3
Total all cases	73	5	0	7.5
Age-standardised all cases (14)	–	–	–	6.4