The aim of the study was to evaluate the frequency of depression in patients with Parkinson's disease. The authors recruited 85 patients with idiopathic Parkinson's disease, 42 males and 43 females aged 34-82 years (mean age 68.7). Age at onset ranged 24-79 (mean 60.9 years). Disease duration ranged from 3 month to 20 years (mean 7.86 years). In 62 patients (72.94%) mixed type of the disease was diagnosed, in 14 (16.47%) tremor and in 9 (10.59%) rigidity predominated. UPDRS was used to evaluate the severity of the disease (results ranged 28-90, mean 51.4). Activity of daily living was estimated according to Schwab and England Scale (range 40-90, mean 68.1). Depression was evaluated with Hamilton, Beck and Montgomery-Asberg scales. The results were analysed with Spearman correlation. Depression was diagnosed in 53 (62.35%) patients [in 7 (8.24%) light; in 14 (16.47%) middle; in 19 (22.35%) heavy; in 13 (15.29%) very heavy]. The results acquired with all three scales were not statistically different. There were significant positive correlations between depression and female sex, severity of the disease, dyskinesia as side effect of.
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