In a recent large AD cohort mostly under treatment, AD evolution appeared to be variable, with high incidences for death or institutionalization and with 11.84% of the patients exhibiting a rapid cognitive decline, whereas one fourth of the cohort appeared in relatively stable condition, and two thirds had a moderate but significant evolution of the disease. More studies are needed to better understand these variations in patients' evolution.

AD patients are frequently concerned with balance and gait impairments. These impairments were associated to factors related to the severity of the disease (low MMSE and low ADL); nonmodifiable factors such as age or sex; and modifiable factors such as depression, obesity, and presence of comorbidities.

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