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Background: The Audit of Diabetes-Dependent Quality of Life (ADDQoL) questionnaire is an individualized instrument that measures the impact of diabetes mellitus on quality of life (QOL). With the worldwide increase in the number of Chinese people diagnosed with diabetes, we anticipated that a...
Persistent link: https://www.econbiz.de/10008462724
Background: The questionnaires used in clinical research have often been developed and validated using paper, and in such cases it is necessary to show that the electronic versions are equivalent to the originals. Objective: To determine if electronic versions of questionnaires assessing...
Persistent link: https://www.econbiz.de/10008495171
Background: The growth of economic analyses and in particular cost-utility analyses (CUA), which use the QALY as a measure of outcome, has heightened the interest in the methodologies used to calculate the QALY. The EQ-5D has produced quite different utility values from that of the SF-6D. This...
Persistent link: https://www.econbiz.de/10008467351
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Introduction: This study investigated the effects of imputing missing data in the WHO Quality of Life Abbreviated Questionnaire (WHOQOL-BREF). The imputation results from both the item and domain levels were compared and the impact of the missing data rate and the number of items included for...
Persistent link: https://www.econbiz.de/10005449001
Background: There has been considerable debate on whether productivity costs should be captured in the numerator or the denominator of the cost-effectiveness ratio. That debate cannot be resolved on the basis of theoretical arguments alone because the final choice also depends on what is...
Persistent link: https://www.econbiz.de/10005449076
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Background: QALYs combine survival and health-related quality of life (QOL) into a single index, enabling judgements about the relative value for money of healthcare interventions. Objective: To investigate the methods used for estimating QALY weights included in submissions by industry for...
Persistent link: https://www.econbiz.de/10005449110
Background: The Functional Assessment of Cancer Therapy-Lung (FACT-L) is a multidimensional measure of quality of life developed for use in the evaluation of interventions in lung cancer. Objective: To develop a set of utility weights that could be used to convert FACT-L into a single index...
Persistent link: https://www.econbiz.de/10005449277