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Keywords:

  • Epidemiology;
  • Parkinsonism;
  • Parkinson's disease;
  • Prevalence

Abstract

We investigated the prevalence of Parkinson's disease (PD) in a South American city: Junín, Buenos Aires Province, Argentina. At dwellings systematically selected, the case finding involved household screenings and neurological examinations (i.e., a two-phase survey approach). Only persons 40 years of age or older were eligible (N = 7,765). There were 51 cases of PD identified, yielding a crude prevalence of 656.8 per 100,000 population. The age-specific prevalence was consistently higher in men than women, and it increased with advancing age for both sexes. In addition to prevalence figures, we present tallies related to clinical features of PD, as well as tallies related to other subtypes of parkinsonism.