The Use of Rasch Analysis in Reducing a Large Condition-Specific Instrument for Preference Valuation: The Case of Moving from AQLQ to AQL-5D

The majority of health-related quality-of-life instruments are not preference-based measures and so cannot be used within cost utility analysis. The Asthma Quality of Life Questionnaire (AQLQ) is one such instrument. The aim of this study was to develop a health state classification that was amenabl...

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Veröffentlicht in:	Medical decision making 2011-01, Vol.31 (1), p.195-210
Hauptverfasser:	Young, Tracey A., Yang, Yaling, Brazier, John E., Tsuchiya, Aki
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptation, Psychological Asthma - pathology Asthma - psychology Chi-Square Distribution Feasibility Studies Health Status Health Status Indicators Humans Models, Psychological Models, Statistical Patient Satisfaction Psychometrics Quality of Life - psychology Quality-Adjusted Life Years Surveys and Questionnaires
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