The Parkinson's Disease Questionnaire (PDQ-39): evidence for a method of imputing missing data

The Parkinson's Disease Questionnaire (PDQ-39): evidence for a method of imputing missing data

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Background: the Parkinson's Disease Questionnaire (PDQ-39) is the most widely used Parkinson's specific measure of health status. It is increasingly used in treatment trials, sometimes as a primary end-point, where any missing data can potentially cause difficulties in analyses. Objectives...

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Bibliografiske detaljer
Main Authors:	Jenkinson, C, Heffernan, C, Doll, H, Fitzpatrick, R
Andre forfattere:	British Geriatrics Society
Format:	Journal article
Sprog:	English
Udgivet:	Oxford University Press 2006
Fag:	Public Health

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