the number of nonagenarians increases dramatically worldwide.
to examine the prevalence of stroke/transient ischaemic attack (TIA) and dementia, their inter-relationship and their relation to 2-year mortality and institutionalisation in 97 year olds.
a population-based sample of 97 year olds (n=591) was examined. Information on stroke/TIA was obtained from self-reports, key informants and hospital discharge registers. Dementia was diagnosed according to DSM-III-R criteria.
the response rate was 65%. The prevalence of dementia was 32.7% in men and 59.3% in women (P