Introduction:

Complaints about cognitive function have increased in the eldest population from Habana del Este municipality, Havana province, where the frequency and causes of such increase are unknown.

Objective:

To determine the prevalence and risk factors of mild cognitive impairment in elderly older than 85 years.

Methods:

A descriptive and cross-sectional study was conducted in the elderly from a health area from 2019 to 2020. Fifty one persons aged over 85 made up the universe. Forty seven subjects who met the inclusion and exclusion criteria made the sample. An anonymous information collection model, neuropsychological tests and complementary examinations were applied to them in order to rise the diagnosis precision. Data were statistically validated using chi square, Fisher's exact test, Poisson regression and Woolf statistician.

Results:

The prevalence of mild cognitive impairment in persons older than 80 years was 74.5%. Women accounted the higher number (OR 6.67, 95% CI 1.09-52.01). Higher educational level was associated with lower risk of mild cognitive impairment (OR 10.13, 95% CI 1.83-63.53).

Conclusions:

In the studied population, mild cognitive impairment constitutes a health problem. The higher educational level showed protective effect, an association between female gender and cognitive decline was identified.

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