Parkinsonism in Ontario: Physician Utilization

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Abstract
Background: Patients with Parkinsonism have a progressive disorder requiring substantial expertise to manage effectively. Methods: Over a six-year period we evaluated physician utilization and related costs for a large, unselected cohort of 15,304 Parkinsonian patients from the general population, comparing them to 30,608 age- and sex-matched controls within a universal health care system in Ontario, Canada. Results: On average, 45% of Parkinsonian patients saw neurologists annually. The cumulative rate of at least one neurological consultation was only 59.5% over the six years. Patients aged <65 had a much greater likelihood of consulting a neurologist (73.3%) compared to those ≥65 (37.2%). Most Parkinsonian patients (97.2%), regardless of age, saw family physicians/general practitioners each year; 50.4% saw internal medicine consultants. Conclusions: Parkinsonian patients had increased likelihood of utilizing neurologists, primary care physicians and internists compared to controls; related costs of physicians’ services were higher. Further research is necessary to evaluate differences in outcomes and costs between neurologists and other physician service providers.

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