Follow-up of mild cognitive impairment and related disorders over four years in adults in their sixties: The PATH through life study

Abstract

Aims: The study aimed to estimate incidence rates of mild cognitive impairment and related disorders, and conversion to dementia. Methods: The data are drawn from the PATH Through Life Study. Baseline assessment in 2001-2002 included 2,551 participants 60-64 years old with 2,222 participating in a 4-year follow-up. Those screened positive with a cognitive assessment received clinical assessment for diagnoses of mild cognitive disorders (MCD) or dementia using established clinical criteria. Prevalence and incidence rates for the cohort were estimated with predictive regression models. Results: Annual incidence of dementia was 0.25%. Prevalence of mild cognitive impairment was 4.2%, age-associ..