Longitudinal study of the socioeconomic burden of Parkinson’s disease in Germany

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Abstract
Objective:  To determine the health economic burden on patients with Parkinson’s disease (PD) in Germany over a 12‐month observation period and provide a comprehensive analysis of cost‐driving factors.Methods and patients:  Patients with PD (n = 145) were recruited from two clinical departments, two office‐based neurologists and 12 GPs. Clinical evaluations were performed at baseline, 3, 6 and 12 months. Disease severity was measured using the Unified Parkinson’s Disease Rating Scale (UPDRS). Cost data were assessed based on a patient diary and via personal structured interviews at the respective time‐points. Costs were calculated from the societal perspective (2009 €). Cost‐driving factors were identified by multivariate regression analysis.Results:  Mean annual costs totalled €20 095 per patient. Amongst direct costs, the highest expenditures (€13 158) were for drugs (€3526) and inpatient care including nursing homes (€3789). Indirect costs accounted for 34.5% (€6937) of total costs. Costs of home care provided by family accounted for 20% of direct costs. Cost‐driving factors were identified for total costs (UPDRS, fluctuations, dyskinesia and younger age), direct costs (UPDRS, fluctuations), patient expenditures (UPDRS, depression) and drug costs (younger age).Conclusion:  Parkinson’s disease has a chronic course with growing disability and considerable socioeconomic burden. Disease progression leads to an increasing number of patients who require costly institutionalized care. Home care is a major factor influencing patients’ families. Healthcare programmes aimed at reducing the burden of PD on society and individuals should consider cost‐driving factors of PD.

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