Geographic and ethnic variation in Parkinson disease: a population-based study of US Medicare beneficiaries.

@article{Willis2010GeographicAE,
  title={Geographic and ethnic variation in Parkinson disease: a population-based study of US Medicare beneficiaries.},
  author={Allison Wright Willis and Bradley Evanoff and Min Lian and Susan R. Criswell and Brad A. Racette},
  journal={Neuroepidemiology},
  year={2010},
  volume={34 3},
  pages={143-51}
}
BACKGROUND Parkinson disease is a common neurodegenerative disease. The racial, sex, age, and geographic distributions of Parkinson disease in the US are unknown. METHODS We performed a serial cross-sectional study of US Medicare beneficiaries aged 65 and older from the years 1995, and 2000-2005. Using over 450,000 Parkinson disease cases per year, we calculated Parkinson disease prevalence and annual incidence by race, age, sex, and county. Spatial analysis investigated the geographic… CONTINUE READING
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