The prevalence of dysphagia and its relationship to the nutritional status of the subject was examined in 53 patients with Parkinson''s disease (PD). Forty-three patients (81) had swallowing difficulties but this was mild in most of them. The nutritional status of patients with PD was similar to that of age- and sex-matched control subjects. Disease duration and severity correlated with the severity of dysphagia. The study also identified tremor and speech disturbances as the main predictors of dysphagia in PD.
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