Research Insights

Parkinson Disease With and Without Dementia: A Prevalence Study and Future Projections

(Citation: Savica, R., Grossardt, B., Rocca, W., Bower, J. 2018. Parkinson disease with and without dementia: A prevalence study and future projections. Movement Disorders, 33 (4), 537-543)


PD is the second most common neurodegenerative disease after Alzheimer’s Disease, with an estimated incidence of 14.2 per 100,000 people. It is more common in men than woman and diagnosis is more prevalent with increased age.

Goal of Study: This study aimed to explore and clarify the burden of PD with and without dementia in the aging population by calculating its prevalence on January 1, 2006 (in a county in Minnesota) and projecting the number of persons affected by PD from 2015 to 2060 in the US.

Dementia is diagnosed when cognitive deficits (i.e., memory and other thinking skills) are severe enough to impair engagement in and completion of activities of daily living (i.e., managing schedules, preparing food/eating, engaging in house chores, managing medications, driving, etc.). Click here to read full article.


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