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

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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書目詳細資料
Main Authors: Jenkinson, C, Heffernan, C, Doll, H, Fitzpatrick, R
其他作者: British Geriatrics Society
格式: Journal article
語言:English
出版: Oxford University Press 2006
主題:

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