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  • Title: Outcome prediction of enteral levodopa/carbidopa infusion in advanced Parkinson's disease.
    Author: Westin J, Nyholm D, Groth T, Dougherty MS, Yerramsetty PK, Palhagen SE.
    Journal: Parkinsonism Relat Disord; 2006 Dec; 12(8):509-13. PubMed ID: 16731025.
    Abstract:
    Two studies comparing intraduodenal infusion of a levodopa/carbidopa gel with oral treatments in advanced PD patients demonstrated improvement in UPDRS scores and in frequent clinical ratings on a global treatment response scale. Further analysis of data from these studies was performed to find predictive factors related to degree of improvement with infusion. Pearson's correlation coefficients between measures of improvement and baseline variables were calculated. Using data from one study, a prediction model was designed and was then evaluated using the other study's data. Correlations were found indicating that patients with more severe symptoms at baseline were most improved after infusion.
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