A Psychometric Comparison of Different Health Utility Measures in Patients Affected by Parkinson's Disease

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EXECUTIVE SUMMARY▸ Parkinson's disease is a chronic disease affecting quality of life and well-being.▸ Cost utility analyses is a method of determining the cost effectiveness of nursing interventions. These analyses are performed using data from preference-based questionnaires.▸ Several options are available but their psychometric properties should be compared to optimize choice.▸ The main purpose of this study was to evaluate the validity, sensitivity, and relative efficiency of 15D and SF-6D questionnaires in Spanish patients with Parkinson's to be used in costeffectiveness analyses.▸ Findings indicated SF-6D and 15D are adequate instruments for monitoring of patient's health during the period of rehabilitation.

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